4-40 X 1/4″ Socket Cap Screws Flat Head Hex Socket Drive Alloy Steel Thermal Black Oxide (400 / Pkg.) Markdown

Cap Screws Flat Socket Alloy Thermal Black Oxide 4-40 X 1/4 are precision-engineered fasteners crafted for secure, flush-mount assemblies. This socket cap screw features an alloy steel body finished with a thermal black oxide coating to enhance strength, reduce glare, and improve corrosion resistance in demanding environments.

Designed for reliability in electronics, machinery, automotive components, and precision equipment, these screws provide a durable grip with an internal hex drive for a clean, low-profile installation.

Specifications

Drive type: Internal hex (Allen) drive

Finish: Thermal black oxide

Material: Alloy steel

Thread size: 4-40

Length: 1/4 in

Head type: Cap screw (socket cap)

Key benefits include excellent torque transmission, consistent thread engagement, and a sleek, low-profile appearance that blends with your design while resisting corrosion in mixed environments. Stocked in common 4-40 x 1/4 inch sizes to fit a wide range of projectsâ€ââ⠚¬Âorder today to secure a dependable fastener for your build.