5/16 X 1″ Type AB Self Tapping Sheet Metal Screws Serrated Indented Hex Washer Head Unslotted Drive Steel Zinc & Bake (1250/Pkg.) Clearance

Type AB self tapping sheet metal screw with a serrated indented hex washer head and an unslotted drive enables secure fastening in sheet metal applications. The screw is made from steel with a zinc bake finish and measures 5/16 inch diameter by 1 inch length.

Specs

Dimensions: Diameter 5/16 inch; Length 1 inch

Finish: Zinc & Bake

Drive Type: Unslotted

Material: Steel

Thread Type: Self tapping

Features

Self tapping capability: Creates its own mating thread in sheet metal, enabling rapid assembly without pre-drilling in standard gauge panels.

Serrated Indented Hex Washer Head: Provides high torque retention and anti-rotation seating; serrations grip the substrate; indented washer distributes load to minimize pull-out.

Unslotted Drive: Reduces tool slippage and simplifies automation compatibility in production lines.

Finish and corrosion protection: Zinc coating with baked finish offers surface protection against corrosion in typical service environments.

Ideal applications: Fastening sheet metal enclosures, panels, brackets, and HVAC components in professional electrical, mechanical, and automotive assemblies.

Installation guidance: Use with matching hex driver bit; ensure proper alignment to prevent cross-threading and maximize seating performance.