#6 X 1/2" Type A Self Tapping Sheet Metal Screws | Indented Hex Washer Head | Unslotted Drive | Steel Zinc & Bake (10000/Pkg.)
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#6 X 1/2" Type A Self Tapping Sheet Metal Screws | Indented Hex Washer Head | Unslotted Drive | Steel Zinc & Bake (10000/Pkg.)

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5/16 X 1-1/4" Type B Self Tapping Sheet Metal Screws | Indented Hex Washer Head | Unslotted Drive | Steel Zinc & Bake (1000/Pkg.)

Mutual ScrewSKU: 3120BWKC
Price:
$409.51 $502.39per 1000( $0.41 each)
Pieces 1000
Measurement type Inch
Thread size 5/16
Length 1-1/4
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 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 B Self Tapping Sheet Metal Screws with Indented Hex Washer Head and Unslotted Drive are engineered for secure fastening into stamped and formed sheet metal assemblies. The zinc-coated bake finish provides durable corrosion resistance, enabling reliable service in indoor and outdoor environments.

Specs

  • Dimensions: — Diameter 5/16 inch; Length 1-1/4 inch
  • Drive type: Unslotted
  • Finish: Zinc-coated bake finish
  • Material: Steel
  • Thread type: Self-tapping

Features

  • Indented Hex Washer Head: provides a larger bearing surface for clamping, improves seating flushness, and reduces pull-through on thin sheets.
  • Unslotted Drive: minimizes cam-out risk under torque, enabling consistent fastening with a standard hex driver.
  • Self-tapping thread: forms mating threads in sheet metal without pre-drilling, enabling rapid assembly and repair tasks.
  • Corrosion resistance: zinc-coated bake finish delivers durable protection against moisture, humidity, and mild environmental exposure.
  • Applications: ideal for sheet metal enclosures, automotive panels, appliance housings, HVAC ductwork, and electrical housings where reliable metal-to-metal fastening is required.

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

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