5/16 X 1-1/2" Type A Self Tapping Sheet Metal Screws | Indented Hex Washer Head | Unslotted Drive | Steel Zinc & Bake | 7/16" A/F (1000/Pkg.)

Mutual ScrewSKU: 312407AWKC

Price:
Sale price$430.65 Regular price$502.39per 1000( $0.43 each)
Pieces 1000
Measurement type Inch
Thread size 5/16
Length 1-1/2
Material Steel Zinc & Bake
Finish Zinc Plated
Drive Unslotted
Head style Indented Hex Washer Head
Point type Type A
Threads per inch 12
Thread style Fully Threaded
Weight 33.0 lb

WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to https://www.P65Warnings.ca.gov.

Description

Type A Self Tapping Sheet Metal Screws feature an Indented Hex Washer Head and an unslotted drive for secure, high-torque fastening in thin metal applications. They are manufactured from steel with a Zinc & Bake finish to provide durable corrosion resistance across service environments.

Specs

  • Diameter: 5/16"
  • Length: 1-1/2"
  • Across Flats (A/F): 7/16"
  • Head style: Indented Hex Washer Head
  • Drive type: Unslotted
  • Finish: Zinc & Bake
  • Material: Steel
  • Thread type: Self-tapping

Features

  • Self-tapping capability: Creates its own mating thread in sheet metal, enabling single-pass installation without pre-tapping.
  • Indented Hex Washer Head: Flush seating with a broad bearing surface to reduce pull-through and distribute load.
  • Unslotted drive: Cam-out resistance and straightforward tool engagement in tight spaces.
  • Corrosion resistance: Zinc & Bake coating provides durable surface protection in indoor and outdoor environments.
  • Applications: Suitable for fastening thin gauge sheet metal in enclosures, HVAC ducts, automotive trims, and equipment housings where removability is required.

Can We Help?

If you’re not sure that this product is right for you, give us a call!
800-222-0324

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