A Guide to the Different Types of Screws

Screws are essential fasteners used in a wide range of applications across industries. They come in various shapes, sizes, and materials, each designed for specific purposes.
In this guide, we will explore numerous types of screws, their characteristics, practical uses, sizes, and the industries that commonly employ them.

Flat-Head Screw

Description: The flat-head screw, also known as a countersunk screw, features a flat top surface with a conical bearing surface. When installed, it sits flush with the material's surface, offering a clean and smooth finish.
Features: The flat-head design allows for a flush fit, preventing any protrusions that could snag or cause injury.
Applications: Flat-head screws are commonly used in woodworking projects, cabinetry, furniture assembly, and interior fittings.
Sizes: Available in a wide range of sizes, from tiny screws for delicate applications to larger ones for heavy-duty projects.
Industries: Woodworking, construction, furniture manufacturing, interior design.
  

Phillips Head Screw

Description: The Phillips head screw has a cross-shaped recess in its head, requiring a Phillips screwdriver for installation. It is one of the most popular screw types globally.
Features: The cross-shaped design allows for improved torque transfer during installation, reducing the risk of cam-out.
Applications: Phillips head screws find widespread use in electronics, appliances, automotive, and general household applications.
Sizes: Available in various sizes, from miniature screws for electronics to larger ones for construction and automotive purposes.
Industries: Electronics, automotive, appliances, construction, general manufacturing.
  

Slotted Screw

Description: The slotted screw has a single slot in the head, requiring a flat-head screwdriver for installation. It is one of the oldest and simplest screw types.
Features: Slotted screws are easy to manufacture and can be driven with a wide range of tools.
Applications: Slotted screws are used in historical restoration, antique furniture repair, and certain woodworking projects.
Sizes: Available in multiple sizes, but not as widely used in industrial and commercial applications as Phillips or Torx screws.
Industries: Historical restoration, woodworking, specialized applications.
  

Hex Head Screw

Description: Hex head screws, also known as hexagon screws, have a hexagonal recess in the head, requiring a hex key or Allen wrench for installation.
Features: The hexagonal shape provides a more substantial contact area, reducing the risk of stripping the head during installation.
Applications: Hex head screws are prevalent in construction, machinery assembly, and DIY projects.
Sizes: Available in a vast range of sizes, from small machine screws to large bolts for heavy construction.
Industries: Construction, engineering, machinery, automotive, DIY projects.
  

Torx Screw

Description: The Torx screw, also known as a star screw, has a star-shaped recess in the head, requiring a Torx screwdriver or key for installation.
Features: The star-shaped design offers better torque transmission, reducing the likelihood of cam-out and providing more precise control during installation.
Applications: Torx screws are commonly used in electronics, automotive, and aerospace industries where higher torque is required.
Sizes: Available in various sizes, with smaller Torx screws found in electronics and larger ones in automotive and construction.
Industries: Electronics, automotive, aerospace, machinery, appliances.
  

Square Head Screw

Description: The square-head screw has a square-shaped recess in the head, requiring a square-head screwdriver or bit for installation.
Features: The square shape allows for higher torque application and reduces the risk of stripping the screw head.
Applications: Square head screws are popular in woodworking, particularly for heavy-duty applications.
Sizes: Available in a range of sizes, with larger screws suitable for construction and furniture assembly.
Industries: Woodworking, construction, furniture manufacturing. 

Round Head Screw

Description: The round head screw has a rounded top surface, providing a decorative and safe finish when fully installed.
Features: The rounded design allows for a smoother appearance, making it ideal for applications where aesthetics are essential.
Applications: Round head screws are commonly used in woodworking, cabinetry, and general DIY projects.
Sizes: Available in various sizes, with smaller screws suitable for delicate woodworking and larger ones for construction.
Industries: Woodworking, cabinetry, interior design, DIY projects.
  

Pan Head Screw

Description: The pan head screw has a slightly rounded, flat top surface, giving it a low-profile appearance.
Features: Pan head screws offer a neat and finished look, making them suitable for applications where the screw head should not protrude significantly.
Applications: Pan head screws find use in electrical and electronic devices, sheet metal applications, and small household projects.
Sizes: Available in various sizes, with miniature versions used in electronics and larger ones in metalworking.
Industries: Electronics, electrical, sheet metal fabrication.
  

Truss Head Screw

Description: The truss head screw has a low-profile, rounded top with a wide head diameter, providing extra support.
Features: Truss head screws are designed to distribute force more effectively, making them suitable for applications requiring additional holding power.
Applications: Truss head screws are commonly used in electronics, woodworking, and applications where enhanced holding strength is necessary.
Sizes: Available in multiple sizes, with smaller screws suitable for electronics and larger ones for construction.
Industries: Electronics, woodworking, construction.
  

Button Head Screw

Description: The button head screw has a low-profile, dome-shaped head, often used for aesthetic purposes.
Features: Button head screws offer a stylish and neat appearance, making them ideal for visible applications where looks matter.
Applications: Button head screws are frequently used in furniture, automotive modifications, and various decorative projects.
Sizes: Available in various sizes, with smaller screws used for decorative applications and larger ones for furniture assembly.
Industries: Furniture manufacturing, automotive customization, decorative projects.
  

Oval Head Screw

Description: The oval head screw has an oval-shaped head, useful for applications where a flush finish is desired.
Features: The oval shape allows for a more even distribution of force, reducing the risk of splitting the material.
Applications: Oval head screws are commonly used in woodworking, boatbuilding, and applications requiring a flush surface.
Sizes: Available in multiple sizes, with smaller screws suitable for delicate woodworking and larger ones for construction.
Industries: Woodworking, boatbuilding, construction.
  

Bugle Head Screw

Description: The bugle head screw is designed with a flat head and angled sides, commonly used in drywall applications.
Features: The bugle head helps to set the screw flush with the drywall surface, preventing visible bumps.
Applications: Bugle head screws are primarily used in drywall installations and applications requiring a smooth surface.
Sizes: Available in various sizes, with longer screws used for thicker drywall and shorter ones for lighter applications.
Industries: Construction, interior design.
  

Countersunk Screw

Description: The countersunk screw, also known as a flat head screw, has a conical head that sits flush with the surface when installed.
Features: The countersunk design offers a neat and seamless finish, making it ideal for applications where a smooth surface is desired.
Applications: Countersunk screws are used in woodworking, metalworking, and applications requiring a flush finish.
Sizes: Available in multiple sizes, with larger screws used in heavy-duty construction and smaller ones for precision work.
Industries: Woodworking, metalworking, construction.
  

Raised Head Screw

Description: The raised head screw has a head that protrudes slightly above the surface after installation.
Features: The raised head provides a secure grip for tools during installation and makes it easier to remove the screw if needed.
Applications: Raised head screws are commonly used in furniture assembly, general construction, and applications requiring easy access to the screw head.
Sizes: Available in various sizes, with smaller screws used in delicate applications and larger ones for heavy-duty use.
Industries: Furniture manufacturing, construction, DIY projects.
  

Self-Tapping Screw

Description: Self-tapping screws are designed to create their threads as they are driven into the material, eliminating the need for pre-drilling.
Features: Self-tapping screws have a sharp, threaded point that allows them to cut into the material, making them quick and efficient to install.
Applications: Self-tapping screws are commonly used in metal-to-metal and metal-to-wood applications, as well as in sheet metal and plastics.
Sizes: Available in various sizes, with specialized versions for specific materials like metal, wood, and plastics.
Industries: Metalworking, automotive, construction, plastics manufacturing.
  

Machine Screw

Description: Machine screws are generally smaller screws used in metalworking applications, often with a slotted or Phillips head.
Features: Machine screws are designed to fit into tapped holes or threaded nuts and are frequently used with nuts and washers for added strength.
Applications: Machine screws are used in machinery, electronics, and precision equipment assembly.
Sizes: Available in a wide range of sizes, with micro-sized screws for delicate electronics and larger ones for machinery.
Industries: Machinery manufacturing, electronics, industrial equipment.
  

Wood Screw

Description: Wood screws have a coarse thread designed for use in wood materials.
Features: Wood screws have a sharp, pointed tip for easy penetration into the wood and a threaded shaft for secure attachment.
Applications: Wood screws are extensively used in woodworking, cabinetry, and furniture assembly.
Sizes: Available in various lengths and diameters, with larger screws used in construction and smaller ones in delicate woodworking.
Industries: Woodworking, construction, furniture manufacturing.
  

Sheet Metal Screw

Description: Sheet metal screws are designed with sharp threads for use in thin metal sheets.
Features: Sheet metal screws have a flat or pan head for easy attachment to metal surfaces.
Applications: Sheet metal screws are commonly used in HVAC systems, roofing, and metal ductwork installations.
Sizes: Available in various sizes, with finer threads for thin metals and coarser threads for thicker materials.
Industries:HVAC, metalworking, construction.  

Lag Screw

Description: Lag screws, also known as lag bolts, are large screws with a coarse thread and a hex head, used for heavy-duty fastening into wood or metal.
Features: Lag screws provide substantial holding power and are commonly used in load-bearing applications.
Applications: Lag screws are used in construction, fencing, and deck building, where high strength is required.
Sizes: Available in various lengths and diameters, with larger sizes suitable for heavy-duty construction.
Industries: Construction, woodworking, outdoor structures.
  

Set Screw

Description: Set screws are screws with no head, used to secure an object within or against another object.
Features: Set screws are often threaded on both ends, and they are commonly used to hold rotating parts in place on a shaft.
Applications: Set screws are used in various mechanical and engineering applications, such as securing gears, pulleys, and knobs.
Sizes: Available in various lengths and diameters, with different thread sizes to accommodate specific applications.
Industries: Mechanical engineering, automotive, machinery.
  

Thumb Screw

Description: Thumb screws are designed with a large, easy-to-grip head, allowing for hand-tightening without tools.
Features: Thumb screws offer quick and convenient tightening and loosening by hand, without the need for a screwdriver or wrench.
Applications: Thumb screws are commonly used in applications where frequent adjustments or quick access are required.
Sizes: Available in various sizes, with smaller ones for delicate applications and larger ones for heavy-duty use.
Industries: Electronics, furniture manufacturing, machinery.

 

Security Screw

Description: Security screws feature a unique head design to prevent tampering or unauthorized removal.
Features: Security screws come with various specialized head types, such as pin-in torx, tri-wing, or snake eye, making them difficult to remove without specific tools.
Applications: Security screws are used in public fixtures, electrical panels, and applications requiring theft or tamper resistance.
Sizes: Available in multiple sizes, with specific head types requiring corresponding tools for installation and removal.
Industries: Public fixtures, security installations, electronics.

  

One-Way Screw

Description: One-way screws have a head design that allows for easy installation but prevents removal without special tools.
Features: The one-way design provides a cost-effective and secure solution to prevent tampering or unauthorized disassembly.
Applications: One-way screws are used in public fixtures, signage, and applications requiring permanent fastening.
Sizes: Available in various sizes, with different head types for specific applications.
Industries: Public fixtures, signage, security installations.

  

Masonry Screw

Description: Masonry screws, also known as concrete screws, are designed for fastening materials to concrete, brick, or block walls.
Features: Masonry screws have a self-tapping, hardened thread for effective installation into masonry materials.
Applications: Masonry screws are used in construction, wall fastening, and anchoring fixtures to concrete surfaces.
Sizes: Available in various lengths and diameters, with specialized coatings for outdoor applications.
Industries: Construction, home improvement, outdoor fixtures.
  

Concrete Screw

Description: Concrete screws are heavy-duty fasteners designed for high-strength anchoring into concrete and masonry surfaces.
Features: Concrete screws have special threads and coatings for enhanced performance and durability in harsh conditions.
Applications: Concrete screws are commonly used in construction, attaching fixtures to concrete walls, and securing outdoor structures.
Sizes: Available in various lengths and diameters, with high-load capacity for heavy-duty applications.
Industries: Construction, outdoor structures, infrastructure.
  

Deck Screw

Description: Deck screws are specifically designed for outdoor use in decking applications, providing corrosion resistance and easy installation.
Features: Deck screws often come with specialized coatings and heads to withstand exposure to weather and outdoor elements.
Applications: Deck screws are commonly used in building and repairing decks, outdoor furniture, and fences.
Sizes: Available in various lengths and diameters, with specific coatings for different environmental conditions.
Industries: Construction, outdoor furniture, landscaping.
  

Drywall Screw

Description: Drywall screws are designed for fastening drywall sheets to metal or wood studs.
Features: Drywall screws have a bugle head and a fine thread to prevent tearing of the drywall paper.
Applications: Drywall screws are used in construction and renovation projects for securing drywall to framing.
Sizes: Available in various lengths, with specific tread patterns for different drywall thicknesses.
Industries: Construction, home improvement, renovation.
  

Particle Board Screw

Description: Particle board screws are specifically designed for use with particle board and other composite materials.
Features: Particle board screws have a coarse thread and a flat or pan head, preventing the board from splitting.
Applications: Particle board screws are commonly used in furniture assembly, cabinet making, and other woodworking projects involving particle boards.
Sizes: Available in various lengths and diameters, with specific threads for different particle board thicknesses.
Industries: Furniture manufacturing, cabinetry, woodworking.
  

Particle Board Screw with Nibs

Description: Particle board screws with nibs have small ridges under the head that help to countersink the screw in the board.
Features: The nibs prevent the screw from protruding and create a flush finish on the surface.
Applications: Particle board screws with nibs are used in furniture manufacturing and applications where a smooth surface is crucial.
Sizes: Available in various lengths, with specific nib designs for various particle board thicknesses.
Industries: Furniture manufacturing, cabinetry.
  

Cement Board Screw

Description: Cement board screws are designed for securing cement or fibre cement board to wood or metal framing.
Features: Cement board screws have a special coating to prevent corrosion and a self-tapping tip for easy installation.
Applications: Cement board screws are commonly used in construction, particularly in areas where moisture and humidity are present.
Sizes: Available in various lengths and diameters, with specific coatings for wet environments.
Industries: Construction, bathroom and kitchen remodelling.
  

Composite Screw

Description: Composite screws are designed for fastening composite decking materials.
Features: Composite screws often have a self-tapping tip and a corrosion-resistant coating to withstand outdoor exposure.
Applications: Composite screws are used in decking projects involving composite materials.
Sizes: Available in various lengths and diameters, with specific heads for smooth installation.
Industries: Construction, outdoor decking.
  

Pocket Hole Screw

Description: Pocket hole screws are designed for use with pocket hole joinery systems, allowing for strong and concealed joints.
Features: Pocket hole screws have a self-tapping design and a flat head that sits within the pocket hole.
Applications: Pocket hole screws are commonly used in woodworking and cabinet making.
Sizes: Available in various lengths and diameters, with specific tread patterns for different wood types.
Industries: Woodworking, cabinet making.
  

Confirmat Screw

Description: Confirmat screws are designed for use in furniture assembly, particularly in particle board and MDF materials.
Features: Confirmat screws have deep, coarse threads and a unique stepped design for enhanced holding power.
Applications: Confirmat screws are commonly used in furniture manufacturing and applications where a strong, hidden joint is needed.
Sizes: Available in various lengths and diameters, with specific tread patterns for different board thicknesses.
Industries: Furniture manufacturing, cabinetry.
  

Euro Screw

Description: Euro screws, also known as cabinet installation screws, are designed for use with European-style hinges and drawer slides.
Features: Euro screws have a machine thread and a flat head, making them ideal for attaching hardware to cabinet doors and drawers.
Applications: Euro screws are commonly used in cabinet making and furniture assembly.
Sizes: Available in various lengths and diameters, with specific tread patterns for different hinges and slide hardware.
Industries: Furniture manufacturing, cabinetry.
  

Hanger Bolt

Description: Hanger bolts have threads on one end and a wood screw thread on the other, allowing for secure attachment between wood and metal.
Features: Hanger bolts are versatile and commonly used for suspending objects or connecting wood and metal components.
Applications: Hanger bolts are used in furniture assembly, hanging lights, and attaching table legs.
Sizes: Available in various lengths and diameters, with different thread sizes for wood and metal connections.
Industries: Furniture manufacturing, construction, lighting fixtures.
  

Dowel Screw

Description: Dowel screws have wood screw threads on both ends, designed for connecting two pieces of wood.
Features: Dowel screws offer a strong and hidden connection, commonly used in wood-to-wood joints.
Applications: Dowel screws are used in woodworking, furniture assembly, and staircase construction.
Sizes: Available in various lengths and diameters, with different thread sizes for various wood thicknesses.
Industries: Woodworking, furniture manufacturing.
  

Sex Bolt

Description: Sex bolts, also known as barrel nuts or Chicago screws, consist of two parts—a threaded barrel and a mating screw.
Features: Sex bolts provide a secure and aesthetically pleasing connection in applications where both sides of the joint are visible.
Applications: Sex bolts are commonly used in binding books, leatherwork, and signage.
Sizes: Available in various lengths and diameters, with different barrel and screw head sizes.
Industries: Bookbinding, leatherwork, signage.
  

Barrel Nut

Description: Barrel nuts, also known as binding nuts, are internally threaded cylindrical fasteners used with screws or bolts.
Features: Barrel nuts provide a strong and reliable connection when used in conjunction with compatible screws or bolts.
Applications: Barrel nuts are commonly used in furniture assembly, bed frames, and hardware fastening.
Sizes: Available in various lengths and diameters, with specific thread sizes for various screw or bolt types.
Industries: Furniture manufacturing, construction.
  

Chicago Screw

Description: Chicago screws, also known as binding posts or screw posts, consist of two parts—a male screw and a female barrel.
Features: Chicago screws are easily removable and reusable, making them ideal for applications requiring frequent assembly and disassembly.
Applications: Chicago screws are used in bookbinding, leatherwork, and applications requiring easy disassembly.
Sizes: Available in various lengths and diameters, with different screw and barrel head sizes.
Industries: Bookbinding, leatherwork, DIY projects.
  

Furniture Connector Bolt

Description: Furniture connector bolts, also known as connector bolts or joint connector bolts, are designed for assembling furniture and wooden structures.
Features: Furniture connector bolts have a threaded rod with a hexagonal head on one end and a cam lock nut on the other, providing a strong joint.
Applications: Furniture connector bolts are commonly used in furniture assembly and woodworking projects.
Sizes: Available in various lengths and diameters, with different thread sizes for different applications.
Industries: Furniture manufacturing, cabinetry, woodworking.
  

Binding Post Screw

Description: Binding post screws, also known as sex bolts or barrel screws, consist of a screw with a threaded barrel and a mating screw.
Features: Binding post screws provide a secure and easily removable connection, making them ideal for applications requiring frequent disassembly.
Applications: Binding post screws are used in signage, leatherwork, and applications requiring secure but removable connections.
Sizes: Available in various lengths and diameters, with different barrel and screw head sizes.
Industries: Signage, leatherwork, DIY projects.
  

Machine Screw Anchor

Description: Machine screw anchors, also known as female anchors or hollow wall anchors, are used for fastening in hollow walls.
Features: Machine screw anchors expand behind the wall surface, providing a secure and reliable hold.
Applications: Machine screw anchors are used in drywall, plaster, and other hollow wall materials.
Sizes: Available in various lengths and diameters, with different load capacities for specific applications.
Industries: Construction, home improvement.
  

Toggle Bolt

Description: Toggle bolts consist of a machine screw and a spring-loaded wing toggle, used for anchoring heavy objects to hollow walls.
Features: Toggle bolts provide a stronghold in hollow wall materials and can be easily removed and reinstalled.
Applications: Toggle bolts are used to hang heavy shelves, wall-mounted TVs, and other objects on hollow walls.
Sizes: Available in various lengths and diameters, with different toggle sizes for varying weight capacities.
Industries: Construction, home improvement.
  

Expansion Anchor

Description: Expansion anchors, also known as wedge anchors or concrete anchors, are used to fasten objects to concrete, brick, or masonry.
Features: Expansion anchors expand when tightened, providing a secure and long-lasting hold.
Applications: Expansion anchors are used in construction, outdoor fixtures, and securing heavy machinery.
Sizes: Available in various lengths and diameters, with different load capacities for specific applications.
Industries: Construction, infrastructure, outdoor fixtures.
  

Hollow Wall Anchor

Description: Hollow wall anchors, also known as wall plugs or Molly bolts, are designed for fastening hollow walls.
Features: Hollow wall anchors spread out behind the wall, providing a reliable hold in thin or hollow materials.
Applications: Hollow wall anchors are used in drywall, panelling, and other hollow wall materials.
Sizes: Available in various lengths and diameters, with different load capacities for specific applications.
Industries: Construction, home improvement.
  

Threaded Insert

Description: Threaded inserts are cylindrical fasteners with internal threads used to reinforce and provide a threaded connection in various materials.
Features: Threaded inserts are commonly used to create strong, threaded connections in materials that may not be suitable for direct threading.
Applications: Threaded inserts are used in furniture assembly, plastic components, and repairing stripped threads.
Sizes: Available in various lengths and diameters, with different thread sizes for specific applications.
Industries: Furniture manufacturing, plastic molding, automotive.
  

Weld Screw

Description: Weld screws, also known as projection weld screws, are designed for welding directly to metal surfaces.
Features: Weld screws eliminate the need for drilling or tapping holes, providing a quick and reliable way to attach components.
Applications: Weld screws are used in metal fabrication, automotive assembly, and other welding applications.
Sizes: Available in various sizes, with different thread sizes and weld points for specific applications.
Industries: Metalworking, automotive, manufacturing.
  

Eye Screw

Description: Eye screws, also known as eye bolts, have a loop or eyelet at the top, used to attach ropes or cables.
Features: Eye screws provide a convenient and secure way to create hanging points in various materials.
Applications: Eye screws are used in rigging, hanging signs, and suspending objects.
Sizes: Available in various lengths and diameters, with different eye sizes for specific load capacities.
Industries: Construction, rigging, outdoor installations.
  

Screw Eye

Description: Screw eyes are similar to eye screws but have a screw thread on one end for easy installation into wood or other materials.
Features: Screw eyes are self-tapping, providing a quick way to create hanging points.
Applications: Screw eyes are used in woodworking, outdoor fixtures, and hanging plants.
Sizes: Available in various lengths and diameters, with different eye sizes for specific load capacities.
Industries: Woodworking, outdoor installations, gardening.
  

Lag Eye Screw

Description: Lag eye screws, also known as screw eyes with lag thread, combine the features of a lag screw and a screw eye.
Features: Lag eye screws provide a threaded connection with a hanging point, suitable for heavy-duty applications.
Applications: Lag eye screws are used in construction, rigging, and outdoor installations.
Sizes: Available in various lengths and diameters, with different eye sizes and lag thread lengths for specific load capacities.
Industries: Construction, rigging, outdoor installations.
  

Shoulder Screw

Description: Shoulder screws, also known as shoulder bolts, have a cylindrical shoulder between the head and the threaded section.
Features: Shoulder screws provide precise spacing and alignment in assemblies.
Applications: Shoulder screws are used in machinery, automotive, and other applications requiring precise spacing.
Sizes: Available in various lengths and diameters, with different shoulder lengths and thread sizes.
Industries: Machinery, automotive, manufacturing.
  

Thumb Screw With Shoulder

Description: Thumb screws with a shoulder have a thumb-operated head and a cylindrical shoulder between the head and the threaded section.
Features: Thumb screws with shoulder offer easy hand-tightening with precise spacing and alignment.
Applications: Thumb screws with shoulder are used in machinery, fixtures, and applications requiring frequent adjustments.
Sizes: Available in various lengths and diameters, with different shoulder lengths and thread sizes.
Industries: Machinery, manufacturing, fixtures.  

Captive Screw

Description: Captive screws, also known as captive panel screws, have a built-in retainer or washer to prevent the screw from fully detaching.
Features: Captive screws are designed for quick and easy installation and removal without the risk of losing the screw.
Applications: Captive screws are used in electronics, panel mounting, and applications requiring secure but removable fastening.
Sizes: Available in various lengths and diameters, with different head styles and retainers.
Industries: Electronics, industrial equipment, machinery.
  

Flange Screw

Description: Flange screws have a wide, flat head with a built-in washer or flange.
Features: The flange provides a larger load-bearing surface, distributing force and preventing the screw from sinking into the material.
Applications: Flange screws are used in automotive, machinery, and applications requiring a larger bearing surface.
Sizes: Available in various lengths and diameters, with different flange sizes and head styles.
Industries: Automotive, machinery, manufacturing.
  

SEMS Screw (Washer Head Screw)

Description: SEMS screws, also known as washer head screws, consist of a screw with a pre-assembled free-spinning washer.
Features: The washer distributes the load over a larger area, preventing damage to the material and providing a secure hold.
Applications: SEMS screws are used in automotive, electronics, and applications requiring vibration resistance.
Sizes: Available in various lengths and diameters, with different washer sizes and head styles.
Industries: Automotive, electronics, manufacturing.
  

Socket Head Cap Screw (Allen Screw)

Description: Socket head cap screws, also known as Allen screws or Allen bolts, have a cylindrical head with an internal hex socket.
Features: Socket head cap screws provide a flush, low-profile installation with high torque capabilities.
Applications: Socket head cap screws are used in machinery, electronics, and applications requiring precise torque control.
Sizes: Available in various lengths and diameters, with different thread sizes and socket sizes.
Industries: Machinery, electronics, automotive.
  

Socket Set Screw

Description: Socket set screws have a fully threaded shaft and a recessed hex socket on one end.
Features: Socket set screws are commonly used to secure an object within or against another object.
Applications: Socket set screws are used in machinery, automotive, and applications requiring precise positioning.
Sizes: Available in various lengths and diameters, with different thread sizes and socket sizes.
Industries: Machinery, automotive, manufacturing.
  

Cone Point Set Screw

Description: Cone point set screws have a sharp, cone-shaped tip, designed to penetrate and grip into the material.
Features: Cone point set screws offer high holding power in metal-to-metal contact points.
Applications: Cone point set screws are used in machinery, automotive, and applications requiring a secure hold.
Sizes: Available in various lengths and diameters, with different cone point sizes and thread sizes.
Industries: Machinery, automotive, manufacturing.
  

Flat Point Set Screw

Description: Flat point set screws have a flat, blunt tip, allowing for a flush installation on a mating surface.
Features: Flat-point set screws are used in applications where a flush finish is desired.
Applications: Flat point set screws are used in machinery, automotive, and applications requiring a smooth surface.
Sizes: Available in various lengths and diameters, with different thread sizes.
Industries: Machinery, automotive, manufacturing.
  

Dog Point Set Screw

Description: Dog point set screws, also known as half dog set screws, have a protruding, unthreaded tip.
Features: Dog point set screws are used in applications where a pivot or detent is required.
Applications: Dog point set screws are used in machinery, automotive, and applications requiring precise alignment.
Sizes: Available in various lengths and diameters, with different thread sizes and dog point styles.
Industries: Machinery, automotive, manufacturing.
  

Oval Point Set Screw

Description: Oval point set screws have an oval-shaped, unthreaded tip.
Features: Oval point set screws are commonly used in applications requiring frequent adjustments.
Applications: Oval point set screws are used in machinery, automotive, and applications requiring easy disassembly.
Sizes: Available in various lengths and diameters, with different thread sizes and oval point styles.
Industries: Machinery, automotive, manufacturing.
  

Knurled Cup Point Set Screw

Description: Knurled cup point set screws have a knurled, cup-shaped tip for a secure grip.
Features: Knurled cup point set screws are used in applications requiring a slip-resistant hold.
Applications: Knurled cup point set screws are used in machinery, fixtures, and applications requiring a textured surface.
Sizes: Available in various lengths and diameters, with different thread sizes and knurled cup point styles.
Industries: Machinery, fixtures, manufacturing.
  

Square Head Set Screw

Description: Square head set screws, also known as square head bolts, have a square-shaped head for easy installation and removal.
Features: Square head set screws provide a large, easy-to-grip head, making them ideal for hand-tightening.
Applications: Square head set screws are used in machinery, construction, and applications requiring a robust hand-tightened connection.
Sizes: Available in various lengths and diameters, with different thread sizes and square head sizes.
Industries: Machinery, construction, manufacturing.
  

Slotted Set Screw

Description: Slotted set screws have a straight, slotted head design for easy installation and removal with a flat-head screwdriver.
Features: Slotted set screws offer a simple and widely recognized way to secure an object within or against another object.
Applications: Slotted set screws are used in machinery, automotive, and applications requiring a traditional slotted head.
Sizes: Available in various lengths and diameters, with different thread sizes and slotted head styles.
Industries: Machinery, automotive, manufacturing.
  

Socket Headless Screw (Grub Screw)

Description: Socket headless screws, also known as grub screws or set screws, have no head and are fully threaded.
Features: Socket headless screws are commonly used to secure an object within or against another object, where a flush surface is desired.
Applications: Socket headless screws are used in machinery, electronics, and applications requiring a flush, low-profile connection.
Sizes: Available in various lengths and diameters, with different thread sizes.
Industries: Machinery, electronics, manufacturing.
  

Torx Set Screw

Description: Torx set screws have a six-pointed star-shaped head recess (Torx or star drive), providing increased torque capabilities.
Features: Torx set screws offer better resistance to cam-out and slipping during installation.
Applications: Torx set screws are used in machinery, electronics, and applications requiring higher torque transfer.
Sizes: Available in various lengths and diameters, with different thread sizes and Torx head styles.
Industries: Machinery, electronics, manufacturing.
  

Security Set Screw

Description: Security set screws have specialized heads (such as pin-in torx) to prevent tampering or unauthorized removal.
Features: Security set screws offer enhanced security and are commonly used in applications requiring theft or tamper resistance.
Applications: Security set screws are used in public fixtures, electronics, and applications requiring secure fastening.
Sizes: Available in various lengths and diameters, with different security head types.
Industries: Public fixtures, electronics, security installations.
  

Stud Screw

Description: Stud screws, also known as threaded studs or threaded rods, have no head and are fully threaded.
Features: Stud screws are used to secure objects with nuts or into threaded components.
Applications: Stud screws are used in construction, automotive, and various applications requiring a threaded connection.
Sizes: Available in various lengths and diameters, with different thread sizes.
Industries: Construction, automotive, manufacturing.
  

Thread Cutting Screw

Description: Thread-cutting screws, also known as self-tapping screws, have a sharp point and cutting threads.
Features: Thread-cutting screws create their own threads when driven into material, eliminating the need for pre-drilling.
Applications: Thread-cutting screws are used in metal, plastic, and wood, providing a fast and efficient way to create threaded connections.
Sizes: Available in various lengths and diameters, with different thread types for specific materials.
Industries:Construction, automotive, woodworking.
  

Thread Forming Screw

Description: Thread-forming screws, also known as thread rolling screws, have a unique thread design that forms or displaces the material rather than cutting it.
Features: Thread-forming screws are ideal for use in softer materials, reducing the risk of cracking or damaging the material.
Applications: Thread-forming screws are used in plastics, thin metals, and other materials where a secure thread is required.
Sizes: Available in various lengths and diameters, with different thread designs for specific materials.
Industries: Plastics, electronics, automotive.
  

Thread Rolling Screw

Description: Thread rolling screws, also known as thread rolling bolts, have a thread design that displaces the material rather than cutting it.
Features: Thread rolling screws are commonly used in metal applications, providing increased thread engagement and pull-out resistance.
Applications: Thread rolling screws are used in metal assembly, machinery, and applications requiring a secure threaded connection.
Sizes: Available in various lengths and diameters, with different thread designs for specific applications.
Industries: Machinery, automotive, manufacturing.
  

Welding Screw

Description: Welding screws, also known as weld studs, have a special design for welding directly to metal surfaces.
Features: Welding screws are commonly used in metal fabrication and provide a quick and secure way to attach components.
Applications: Welding screws are used in automotive, construction, and various metal fabrication applications.
Sizes: Available in various lengths and diameters, with different thread sizes and weld points.
Industries: Metalworking, automotive, construction.
  

Roofing Screw

Description: Roofing screws are designed for use in roofing applications, providing weatherproof and long-lasting fastening.
Features: Roofing screws often come with a neoprene washer or EPDM gasket to create a waterproof seal.
Applications: Roofing screws are used in metal roofing, corrugated roofing, and other roofing materials.
Sizes: Available in various lengths and diameters, with specific coatings for outdoor use.
Industries: Construction, roofing, home improvement.
  

Siding Screw

Description: Siding screws are designed for fastening siding materials to wood or metal studs.
Features: Siding screws often have a smooth shank or ribs to prevent damage to the siding material.
Applications: Siding screws are used in construction and home improvement projects for securing siding materials.
Sizes: Available in various lengths and diameters, with specific coatings for outdoor use.
Industries: Construction, home improvement.  

Framing Screw

Description: Framing screws, also known as structural screws, are heavy-duty screws designed for load-bearing applications.
Features: Framing screws have a strong, self-tapping design for use in framing and structural applications.
Applications: Framing screws are used in construction, framing, and applications requiring high load capacity.
Sizes: Available in various lengths and diameters, with specific coatings for outdoor use.
Industries: Construction, home building, infrastructure.
  

Trim Screw

Description: Trim screws, also known as finishing screws, are designed for use in finish carpentry and woodworking applications.
Features: Trim screws have a small head and come in various finishes to blend seamlessly with the surface.
Applications: Trim screws are used in trim work, moldings, and other finishing touches in woodworking projects.
Sizes: Available in various lengths and diameters, with different finishes for aesthetics.
Industries: Woodworking, cabinetry, home improvement.
  

Finish Screw

Description: Finish screws, also known as finishing nails or finish fasteners, are used in applications where a clean and polished appearance is desired.
Features: Finish screws have small heads or come with plugs to conceal the fastening point.
Applications: Finish screws are used in woodworking, cabinetry, and furniture making.
Sizes: Available in various lengths and diameters, with different head styles for aesthetics.
Industries: Woodworking, cabinetry, furniture manufacturing.
  

Collated Screw

Description: Collated screws are screws pre-arranged on strips, coils, or in magazines for use with power screwdrivers and screw guns.
Features: Collated screws allow for rapid and efficient installation, especially in large-scale projects.
Applications: Collated screws are used in construction, drywall installation, and other high-volume fastening tasks.
Sizes: Available in various lengths and diameters, with different collation methods for different screw guns.
Industries: Construction, drywall installation.
  

Index Screw

Description: Index screws, also known as position screws, have an unthreaded section between the head and the threaded shaft.
Features: Index screws allow for precise positioning and alignment in assemblies.
Applications: Index screws are used in machinery, automotive, and applications requiring accurate positioning.
Sizes: Available in various lengths and diameters, with different unthreaded lengths and thread sizes.
Industries: Machinery, automotive, manufacturing.
  

Spline Screw

Description: Spline screws, also known as spine screws or multi-spline screws, have a unique multi-toothed drive for high torque transfer.
Features: Spline screws are designed for applications requiring increased torque capabilities and reduced risk of cam-out.
Applications: Spline screws are used in machinery, automotive, and various high-torque applications.
Sizes: Available in various lengths and diameters, with different spline drive types.
Industries: Machinery, automotive, manufacturing.
  

Aerospace Screw

Description: Aerospace screws are designed to meet the strict requirements of the aerospace industry for strength, weight, and reliability.
Features: Aerospace screws undergo rigorous testing and conform to aerospace standards and specifications.
Applications: Aerospace screws are used in aircraft assembly, space exploration, and other aerospace applications.
Sizes: Available in various lengths and diameters, with different aerospace-grade materials.
Industries: Aerospace, aviation, space exploration.
  

Captive Panel Screw

Description: Captive panel screws are designed to remain attached to the panel, even when fully unscrewed.
Features: Captive panel screws prevent loss or misplacement, making them ideal for access panels and enclosure doors.
Applications: Captive panel screws are used in electronics, machinery, and enclosure assembly.
Sizes: Available in various lengths and diameters, with different captive features.
Industries: Electronics, machinery, manufacturing.
  

Jack Screw

Description: Jack screws, also known as levelling screws or levelling feet, are used to level and stabilize equipment or machinery.
Features: Jack screws have a threaded shaft and a base, allowing for height adjustment and levelling.
Applications: Jack screws are used in machinery, furniture, and equipment that requires levelling.
Sizes: Available in various lengths and diameters, with different thread sizes and base designs.
Industries: Machinery, furniture, manufacturing.
  

Adjustment Screw

Description: Adjustment screws, also known as set and socket screws, are used to provide fine adjustments in various applications.
Features: Adjustment screws have a small head and a pointed tip for easy adjustments.
Applications: Adjustment screws are used in machinery, electronics, and applications requiring precise adjustments.
Sizes: Available in various lengths and diameters, with different thread sizes and head styles.
Industries: Machinery, electronics, manufacturing.
  

Micro Screw

Description: Micro screws are extremely small screws used in delicate and precision applications.
Features: Micro screws are often made of materials like stainless steel, brass, or titanium to provide strength in small sizes.
Applications: Micro screws are used in electronics, medical devices, and miniature assemblies.
Sizes: Available in extremely small lengths and diameters, with specific thread sizes for precise applications.
Industries: Electronics, medical devices, optics.
  

Miniature Screw

Description: Miniature screws are small screws used in applications where space is limited, but slightly larger than micro screws.
Features: Miniature screws offer a balance between strength and size for small-scale projects.
Applications: Miniature screws are used in electronics, model-making, and precision instruments.
Sizes: Available in small lengths and diameters, with different thread sizes for various applications.
Industries: Electronics, model-making, instruments.
  

Self-Drilling Screw

Description: Self-drilling screws, also known as Tek screws or self-tapping screws, have a drill-like point for drilling and tapping holes.
Features: Self-drilling screws eliminate the need for pre-drilling, providing quick and efficient fastening.
Applications: Self-drilling screws are used in metal, wood, and plastic applications where drilling and tapping are required.
Sizes: Available in various lengths and diameters, with different thread types for specific materials.
Industries: Construction, metalworking, woodworking.
  

Self-Piercing Screw

Description: Self-piercing screws have a sharp point designed to pierce and fasten thin sheet metal without pre-drilling.
Features: Self-piercing screws are commonly used in sheet metal applications, reducing the risk of material dist