Instant Buy 4-40 X 2″ Machine Screws Flat Head Phillips Drive Steel Zinc Plated (3000/Pkg.)

Meet the Machine Screws Phil Flat Steel Zinc Plated 4/40 x 2, a reliable fastener engineered for precision assembly across electronics, cabinetry, and metalwork. Crafted in steel with a protective zinc plating, these screws deliver durable performance in indoor environments.

Key specifications

Head style: Phillips flat head

Drive type: Phillips

Material: Steel

Finish: Zinc plated

Thread size: 4-40 UNC

Length: 2 inches

Designed for hardware that requires a low-profile fastener with a countersunk seat, these 4-40 screws are ideal for enclosures, electrical panels, and thin metal assemblies where a flush finish is essential.

Why choose zinc-plated steel screws? The plating provides a protective layer that resists corrosion and reduces galling during threading, helping maintain fastener integrity over time. Perfect for hobbyists and professionals alike, they install quickly with standard Phillips drivers.

Tips for use: measure joint thickness carefully, ensure compatibility with 4-40 threads, and use a compatible screwdriver to avoid stripping the head. Store in a dry place to extend service life.