Screw

• Fastener
• Fastener Datasheet

• A screw is a mating fastener that does not require a nut.

Contents 1 Screw Point Types 2 Screw Types 2.1 Machine Screw 2.2 Sex Bolt and Mating Screw 2.3 Sheet Metal Screw 2.4 Socket Screw 2.5 Wood Screw

Screw Point Types

• Tapping Screws
  • Type A
  • Type AB
  • Type B

• Thread Cutting Screws
  • Type 1
  • Type 17
  • Type 23
  • Type 25
  • Type F

• Thread Forming Screws
  • Type C
  • Type CA
  • Type Tri-Round
  • Type Lo-Driv

Screw Types

Machine Screw

This is a straight shaft fastener with external threads. It requires a pre-tapped hole in order to mate with the screw. It is also called a stove bolt.

• Phillips Pan Head
• Phillips Flat Head
• Phillips Oval Head
• Slotted Flat Head
• Slotted Oval Head
• Slotted Round Head
• Combination Round Head
• Combination Truss Head
• Phillips Truss Head
• Slotted Truss Head
• Hex Slotted Washer Head Thread Cutting Screw
• Torx Flat Head Thread Cutting Screw

Sex Bolt and Mating Screw

These bolts/screws are mating fasteners. The bolt has a barrel shaft with female internal threads. The screw has male external threads. This allows the bolt to go through an object or objects to secure them together. They are also known as a barrel nuts and Chicago bolts.

• Sex bolt - Combination truss head
• Sex bolt - Phillips truss head serrated
• Sex bolt - One way truss head serrated
• Mating screw - Combination truss head
• Mating screw - One way truss head serrated

Sheet Metal Screw

This screw can be used with fiberglass, metal, and wood making it quite versatile. Also called a self-tapping screw it comes with a sharp point.

• Phillips pan head
• Slotted pan head
• Square drive pan head
• Phillips flat head
• Slotted flat head
• Square drive flat head
• Phillips oval head
• Slotted oval head
• Phillips truss head
• Phillips pan head self drilling
• Phillips flat head self drilling
• Hex washer head
• Hex washer head self drilling
• Hex washer hd self drilling w/bonded sealing washer

Socket Screw

These screws also known as socket set screws, use an Allen wrench for tightening. The point comes in cup, half dog, cone, flat, and oval.

• Socket Head Screw
• Socket Head Screw (Smooth)
• Socket Flat Head Screw
• Socket Bottom Head Screw
• Socket Set Screw Cup Point

Wood Screw

This is a tapered shank screw for use only in wood. With this tapered, smooth shank, and sharp pointed, it can pull two pieces of wood together to make a tight joint. For the tightest screw fit you can use a special tap bit that has a tapered shaft for the pilot hole. This will maximize the screw thread pull.

• Phillips Flat Head
• Phillips Oval Head
• Phillips Round Head
• Slotted Flat Head
• Slotted Oval Head
• Slotted Round Head

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