4 X 1-1/4″ Type AB Self Tapping Sheet Metal Screws Flat Head Phillips Drive Steel Black Oxide (8000/Pkg.) One Day Deal

Type AB Self Tapping Sheet Metal Screws with Flat Head and Phillips Drive are designed to form their own threads in sheet metal. Made from steel with a black oxide finish, the screws measure #4 x 1-1/4 inch and are supplied in bulk.

Specs

Dimensions: Length 1-1/4 inch; Diameter #4

Finish: Black Oxide

Drive type: Phillips

Material grade: Steel

Thread type: Type AB self tapping

Features

Self tapping capability: Forms internal threads in thin sheet metal during installation, enabling fast, pre-tap free fastening in compatible materials.

Flat head: Countersinks flush with the workpiece to provide a smooth surface for panels and enclosures.

Phillips drive: Allows consistent bit engagement and reduced cam-out under high torque with standard drivers.

Corrosion resistance: Black oxide finish provides limited corrosion resistance in mild environments and helps resist surface wear during installation.

Bulk packaging: 8,000 pieces per bulk pack to support high-volume manufacturing, service, and maintenance workflows.

Ideal applications: Automotive body components, electrical enclosures, appliance housings, and other thin gauge sheet metal assemblies.