#4 X 1/2" Type AB Self Tapping Sheet Metal Screws | Flat Head | Phillips Drive | Steel Black Zinc & Bake (10000/Pkg.)

Type AB self tapping sheet metal screws provide fast, repeatable fastening for thin-gauge metal assemblies without pre-drilling. They are constructed from steel and finished with a black zinc bake coating, sized #4 x 1/2" and supplied in bulk packs of 10,000.

Specs

• Dimensions: Diameter #4; Length 1/2"
• Finish: Black Zinc & Bake
• Drive type: Phillips
• Material: Steel
• Thread type: Self-tapping

Features

• Self-tapping capability: Forms its own threads in sheet metal during drive, enabling high-speed assembly and eliminating pilot holes for many gauge metals.
• Flat head design: Countersunk profile provides flush seating and a smooth surface on enclosures, panels, and cabinetry.
• Phillips drive: Cross recess reduces cam-out risk during powered insertion and supports compatibility with standard bit sets.
• Corrosion resistance: Black Zinc & Bake coating delivers moderate corrosion protection for interior and light exterior environments, extending fastener life in metal assemblies.
• Bulk packaging: Pack of 10,000 supports high-volume manufacturing, OEM supply chains, and rapid replenishment cycles.
• Materials compatibility: Suitable for common sheet metal alloys, including low to mid gauge mild steel used in HVAC, electrical enclosures, and chassis applications.