#4-40 X 5/16" Machine Screws | Indented Hex Head | Slotted Drive | Steel Zinc Plated (10000/Pkg.)

Machine Screws Slotted Indented Hex Washer Zinc Plated 4/40 x 5/16 — reliable fasteners designed for precision metal-to-metal connections with a corrosion-resistant zinc finish.

These machine screws feature a slotted drive for easy installation, an indented hex washer head for a flush, secure seating, and a built-in washer to distribute load and protect delicate surfaces. The 4/40 size and 5/16 inch length make them ideal for electronics enclosures, small hardware assemblies, and light to medium-duty repairs where a precise, clean finish is required.

• Size: 4/40 (thread diameter)
• Length: 5/16 in
• Drive: Slotted
• Head: Indented Hex Washer
• Finish: Zinc Plated

Why choose zinc-plated machine screws? The zinc coating provides corrosion resistance for long-lasting performance in indoor and protected environments, while the standard 4/40 thread ensures compatibility with common nuts, taps, and applications.

Enhance your toolkit with these dependable fasteners and ensure a secure, professional finish in your next project. Add to cart now to keep your hardware project moving smoothly.