Special Discount 4 X 1/2″ Type AB Self Tapping Sheet Metal Screws Flat Head Square Drive Steel Zinc & Bake (10000/Pkg.)

Type AB Self Tapping Sheet Metal Screws with a flat head and square drive deliver a precise, flush-mount fastening solution for metal enclosures and thin-gauge sheet metal assemblies. The zinc baked finish provides corrosion resistance while enabling reliable, high-torque seating in steel substrates.

Specs

Dimensions: Diameter #4; Length 1/2 inch

Finish: Zinc plated, baked enamel coating

Drive type: Square drive

Thread type: Type AB self tapping

Material: Steel

Features

Self-tapping thread design: Forms mating threads directly in metal, eliminating the need for pre-drilling in many sheet metal applications.

Flat head: Countersinks flush to the surface, reducing protrusions in control panels, enclosures, and HVAC components.

Square drive: Minimizes cam-out and supports high torque seating with standard square-drive bits and drivers.

Finish: Zinc plated, baked enamel coating provides corrosion resistance suitable for indoor environments and electrical enclosures.

Packaging: Bulk pack quantity of 10,000 screws for large-volume installation and production runs.

Ideal applications: Sheet metal assemblies, enclosure fabrication, control panels, electrical equipment housings, and HVAC ductwork where a flush, secure fastener is required.