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

Type A Self Tapping Sheet Metal Screws deliver efficient fastening for sheet metal assemblies with minimal pre-punching. The Indented Hex Washer Head, Unslotted Drive, and Zinc & Bake finish provide reliable torque control and corrosion resistance for steel applications.

Specs

• Dimensions: 5/16 inch diameter x 1-1/4 inch length
• Finish: Zinc & Bake
• Drive type: Unslotted
• Material grade: Steel
• Thread type: Type A

Features

• Self tapping capability enables thread forming without prior tapping for sheet metal, improving installation speed and reducing need for pre-drilled pilot holes.
• Indented Hex Washer Head provides a broad bearing surface for load distribution, flush seating, and enhanced seating stability during tightening.
• Unslotted drive minimizes risk of cam-out in automated assembly and supports consistent torque transfer with compatible tooling.
• Finish: Zinc & Bake delivers corrosion resistance and wear protection suitable for moderate environments.
• Material: Steel delivers high strength for secure fastening in structural sheet metal connections.
• Applications: ideal for electrical enclosures, appliance housings, metallic control panels, and automotive trim where reliable, fast, permanent fastening is required.