1/4"-20 Zinc Plated Slotted Indented Hex Washer Head Thread Cutting Screws - Type F

1/4"-20 Zinc plated thread cutting screws feature a thread cutting tip which makes threads in existing or pre-drilled holes.

Drill Bit Sizes for Thread Cutting Screws

• Feature a machine screw style thread
• Blunt tapered point with multi-cutting edges
• Hexagonal head with a slotted drive and washer built into the head
• Applied with a wrench of a slotted or flat screwdriver
• Chip cavities

Zinc Plating adds a layer of corrosion resistance to plain alloy steel but is not recommended for extreme environments.

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Sizes Listed As:
Diameter - Thread Pitch x Length from Underside of Head