Best Choice 5/16 X 2-1/2″ Type A Self Tapping Sheet Metal Screws Indented Hex Washer Head Slotted Drive Steel Zinc & Bake (600/Pkg.)

600 PKG Type A Self Tapping Sheet Metal Screws with Indented Hex Washer Head are designed for fast, reliable metal-to-metal fastening in sheet metal assemblies. The slotted drive and zinc plated baked enamel finish provide consistent seating, corrosion resistance, and straightforward installation.

Specs

Dimensions: Diameter 5/16 inch; Length 2-1/2 inch

Finish: Zinc plated with baked enamel coating

Drive type: Slotted

Material grade: Steel

Thread type: Self tapping

Features

Head style: Indented Hex Washer Head provides flush seating, improves load distribution, and reduces pull-through in sheet metal assemblies.

Threading: Self tapping thread forms mating threads in metal without pre-drilling, enabling rapid installation in controlled environments.

Drive compatibility: Slotted drive supports common hand and machine tooling, enabling straightforward installation checks and maintenance.

Finish and corrosion protection: Zinc plating with baked enamel coating offers enhanced corrosion resistance and wear protection for interior and exterior applications.

Packaging: 600 pieces per package for bulk procurement and batch assembly workflows.

Application scenarios: Suitable for attaching panels, brackets, housings, and accessories to light and general purpose sheet metal in equipment, enclosures, and automotive interiors.