5/16 X 1-3/4″ Type A Self Tapping Sheet Metal Screws Indented Hex Washer Head Slotted Drive Steel Zinc & Bake (750/Pkg.) Last Chance

Type A Self Tapping Sheet Metal Screws with Indented Hex Washer Head and Slotted Drive are designed for fast, secure mounting into thin gauge sheet metal. The screws measure 5/16 inch diameter and 1-3/4 inch length, with a steel composition and zinc finish to resist corrosion in typical enclosure and automotive applications.

Specs

Dimensions: 5/16 inch diameter x 1-3/4 inch length

Finish: Zinc & Bake

Drive type: Slotted

Material grade: Steel

Features

Self tapping action: Creates its own thread in thin sheet metal during installation, enabling fast assembly without pre-drilling.

Indented Hex Washer Head: Provides a broad bearing surface that distributes clamping load and reduces pull-through in soft metals.

Slotted drive: Compatible with common slotted bit tooling for hand or automated assembly.

Corrosion protection: Zinc plating with bake finish delivers improved environmental resistance for interior and exterior sheet metal assemblies.

Material and strength: Steel substrate with zinc coating offers reliable strength for enclosure mounting and panel fastening.

Ideal applications: Electrical enclosures, appliance housings, HVAC ductwork, metal chassis, and automotive trim where self tapping capability is advantageous.