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

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

Diameter - Thread Pitch: 1/4"-20


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.


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

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Product Specifications
Brand
Albany County Fasteners
Color
Silver
Corrosion Resistant
Yes
Diameter
1/4"
Drive Style
Slotted
Finish
Zinc Plated
Head Style
Hex Washer
Material
Zinc Plated Steel
Overall Head Height
Max 0.190 - Min 0.172
Point Type
F
Product Type
Thread Cutting Screws
Thread Diameter
(1/4") Max 0.2500 - Min 0.2408
Thread Direction
Right
Thread Pitch (Count)
20
Thread Standard
UNC
Thread Type
Coarse
Tolerance (IFI)
Actual measurements may vary slightly +/- depending on production run within IFI Tolerances
Washer OD
Max 0.520 - Min 0.480
Washer Thickness
Max 0.050 - Min 0.030
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