Machine Screws Phil Pan Steel Black Oxide 4-40 x 5/16 are precision fasteners for secure, reliable joining in electronics, appliances, and light machinery. Made from sturdy steel and finished in black oxide, these pan-head screws combine strength with a clean, low-profile appearance that resists corrosion and wear.

• Head style: Pan
• Material: Steel
• Finish: Black oxide
• Thread size: 4-40
• Length: 5/16 inch
• Application: Electronics, appliances, and general machinery assemblies

With a size 4-40 thread and a 5/16 inch length, these screws are designed to thread into tapped holes or mate with corresponding nuts for a secure assembly. The pan head provides a broad bearing surface that helps prevent pull-through in soft materials, while the black oxide finish adds a lightweight layer of protection and reduces glare in finished products.

Ideal for electronics enclosures, control panels, mounting brackets, and other projects where a dependable, compact fastener is required. Add these 4-40 x 5/16 machine screws to your toolkit for fast, accurate assembly.