Sale 4-40 X 1/2″ Machine Screws Truss Head Phillips Drive Steel Black Zinc (10000/Pkg.)

Machine Screws Phil Truss Steel Black Zinc 4/40 X 1/2 are high-quality fasteners designed for durable metal-to-metal assemblies. Crafted from sturdy steel and finished with a black zinc coating, these screws deliver reliable strength and corrosion resistance for everyday hardware projects.

Material: Steel for solid strength and long-lasting performance

Finish: Black zinc coating provides corrosion resistance and a sleek, low-reflection appearance

Size: 4-40 thread with a 1/2 inch length

Head style: Phil Truss head for a wide bearing surface and smooth driving

Compatibility: Suitable for use with standard nuts or tapped holes in appropriate assemblies

These machine screws are ideal for general-purpose fastening needs that require a precise 4-40 thread and 1/2 inch length in steel with a durable black zinc finish. They are well-suited for lightweight to medium-duty metal-to-metal connections and hardware projects where a low-profile, strong fastener is desired.

Care and installation tips: ensure mating surfaces are clean and aligned, use the correct driver to avoid stripping, and avoid over-tightening to preserve thread integrity. Store in a dry location to maintain coating performance and longevity.