#4-40 X 3/8" Machine Screws | Round Head | Phillips Drive | Steel Black Zinc (10000/Pkg.)

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.