Genuine 4-40 X 5/16″ Machine Screws Truss Head Phillips Drive Steel Black Oxide (10000/Pkg.)
Original price was: $300.30.$126.13Current price is: $126.13.
For orders under $150.00, a shipping fee of $12.99 applies.
Machine Screws Phil Truss Steel Black Oxide 4/40 x 5/16 are engineered for secure, reliable fastening in a variety of applications, delivering dependable performance in metal-to-metal assemblies and cabinetry.
These screws feature a durable steel body with a black oxide finish for corrosion resistance and a clean, professional appearance in finished projects. The 4/40 thread size paired with a 5/16 inch length makes them suitable for thinner materials and precise, compact fastenings.
Material: Steel
Finish: Black Oxide
Head style: Phil Truss
Thread size: 4-40
Length: 5/16 in
Applications include electronics housings, enclosures, metal furniture, and light machinery where a compact, secure fastening is required. Perfect for projects that demand a reliable fastener with a clean aesthetic.





