Hex Washer Head Type "F" Thread Cutting Screws

Hex Washer Head Type "F" Thread Cutting Screws

Zinc plated steel slotted hex washer head Type F thread cutting screws in 10-24, 10-32, 1/4-20, 5/16-18 and 3/8-16, 1/2 in. to 2 in. long. Type F screws have a machine screw thread, a blunt point and cutting flutes, so they cut their own threads in a drilled hole in metal or plastic. The finished thread takes a standard machine screw later.

Specifications

• Head: hex washer, slotted
• Sizes: 10-24, 10-32, 1/4-20, 5/16-18, 3/8-16
• Lengths: 1/2", 3/4", 1", 1-1/4", 1-1/2", 2"
• Thread: machine screw thread, Type F cutting point
• Material: steel, zinc plated

Common Uses

• Steel, aluminum and cast metal
• Thick plastics
• Electrical grounding and panels

FAQ

What is a Type F screw?
A Type F thread cutting screw has a standard machine screw thread with a blunt tip and cutting flutes. It cuts mating threads in a drilled hole, so you don't need to tap the hole first.

What size hole do I drill?
About the tap drill size for that thread, a little larger in hard or thick material. A thread chart or tap drill chart gives the size.

Related: Trailer Floorboard Screws (Type F) | Taps | Hex Machine Screw Nuts

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