5/16 X 1" Type B Self Tapping Sheet Metal Screws | Indented Hex Washer Head | Unslotted Drive | Steel Zinc & Bake (1250/Pkg.)

Mutual ScrewSKU: 3116BWKC

Price:
Sale price$366.51 Regular price$502.39per 1250( $0.29 each)
Pieces 1250
Measurement type Inch
Thread size 5/16
Length 1
Material Steel Zinc & Bake
Finish Zinc Plated
Drive Unslotted
Head style Indented Hex Washer Head
Point type Type B
Threads per inch 12
Thread style Fully Threaded
Weight 35.0 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

1250 BULK Type B Self Tapping Sheet Metal Screws feature an indented hex washer head and an unslotted drive for fast, flush fastening in metal assemblies. The screws are made of steel with a baked-on zinc finish to deliver corrosion resistance in commercial fabrication and installation environments.

Specs

  • Dimensions: 5/16 inch diameter x 1 inch length
  • Finish: Zinc plated, baked-on coating
  • Drive type: Unslotted; Indented hex washer head
  • Thread type: Self tapping

Features

  • Self tapping thread design enables installation into thin gauge sheet metal without pre-drilling in most applications.
  • Indented hex washer head provides a flush finish with a broad bearing surface for even load distribution.
  • Unslotted drive reduces tool slippage risk in automated assemblies and torque-controlled environments.
  • Finish offers corrosion resistance through bake-on zinc coating suitable for indoor and outdoor installations.
  • Material: Steel base with zinc finish delivers a cost-effective, durable fastening solution.
  • Applications: HVAC ductwork, appliance enclosures, metal cabinetry, equipment housings, and light structural assemblies.

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800-222-0324

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