Grab Now 4-40 X 3/8″ Machine Screws Pan Head Six Lobe Drive Steel Black Zinc (10000/Pkg.)

Machine Screws Pan Steel Black Zinc Torx Alt 4/40 X 3/8

Secure assemblies with precision and durability using these Pan Head Machine Screws. Crafted from high-strength steel and finished in black zinc for corrosion resistance, they are designed to withstand heavy use in metal-to-metal applications.

Featuring a Torx drive, these screws deliver superior torque transfer and reduced cam-out compared to conventional drives, making them ideal for electronics, machinery, automotive, and general hardware projects.

Key specifications

Type: Pan head machine screws

Material: Steel

Finish: Black zinc for corrosion resistance

Drive style: Torx

Size / Thread: 4-40 UNC

Length: 3/8 inch

Why choose Torx Alt 4/40 x 3/8 screws?

Strong, reliable fasteners suitable for precise assemblies

Black zinc finish offers corrosion resistance while maintaining a clean, professional appearance

Torx drive minimizes stripping and increases torque tolerance for tough applications

Pan head blends flush seating with ample bearing surface for secure mounting

Applications include electronics enclosures, equipment housings, machinery assemblies, automotive fixtures, and any project requiring small-diameter, high-torque screws.