4-40 X 3/8″ Machine Screws Round Head Phillips Drive Steel Black Zinc (10000/Pkg.) Secure Checkout
Original price was: $299.57.$125.82Current price is: $125.82.
Machine Screws Phil Round Steel Black Zinc 4/40 X 3/8 are high-strength fasteners designed for secure metal-to-metal connections in electronics, cabinetry, furniture, and general hardware projects.
These Phillips-drive machine screws feature a round head and a robust steel body, finished in black zinc for added corrosion resistance and a discreet, professional look.
Drive Type: Phillips
Head Style: Round
Material: Steel
Finish: Black zinc
Thread Size: 4-40 UNC
Length: 3/8 inch
Key applications include assembling electronics enclosures, light-duty cabinets, furniture hardware, and other projects that require reliable, easy-to-drive fasteners. The 4-40 thread and 3/8 inch length provide compatibility with standard tapped holes and nuts used in small to medium assemblies.
Choose these screws for a durable, corrosion-resistant solution that combines everyday convenience with professional results. Add to your toolkit today.





