4 X 1/2″ Type AB Self Tapping Sheet Metal Screws Flat Undercut Head Phillips Drive 18/8 Stainless Steel (5000/Pkg.) Save Now

Type AB Self Tapping Sheet Metal Screws are engineered for fast, secure fastening in metal enclosures and thin-gauge panels. Constructed from 304 Stainless Steel with a Phillips drive and a flat undercut head, these screws measure #4 diameter by 1/2 inch length.

Specs

Dimensions: Diameter #4; Length 1/2 inch

Drive type: Phillips

Material grade: 304 Stainless Steel

Thread type: Type AB self tapping

Features

Self tapping design: Enables installation into sheet metal without prior drilling and forms a mating thread for secure, reusable assemblies.

Corrosion resistance: 304 Stainless Steel (18/8) provides reliable resistance to corrosion in indoor and moisture-prone environments.

Head geometry: Flat undercut head yields low-profile seating and minimizes protrusion along joint lines.

Drive reliability: Phillips drive reduces cam-out and enables consistent torque application with common tools.

Material compatibility: Suitable for lightweight, thin-gauge metal panels and enclosures where stainless steel fasteners are preferred.

Packaging: Bulk configuration with 5000 pieces per order, enabling large-scale assemblies and replacement supply.

Applications: Ideal for electrical enclosures, control panels, metal housings, and generic sheet metal assemblies requiring corrosion-resistant fasteners.