1/4"-20 X 5/16" Machine Screws | Round Head | Slotted Drive | Steel Zinc Plated (4000/Pkg.)

Meet the Machine Screws Slotted Round Zinc Plated 1/4-20 X 5/16 — a precise, durable fastener designed for metal assemblies, enclosures, and machinery. The slotted round head provides easy drive with a standard screwdriver, while the zinc plating offers corrosion resistance for long-lasting performance.

Key specifications

• Size / Threads: 1/4-20 UNC
• Length: 5/16 in (approx. 0.3125 in)
• Head style: Slotted Round
• Drive type: Slotted
• Finish: Zinc Plated
• Material: Steel
• Usage: General purpose machine screws for metal-to-metal fastening in electronics, cabinetry, appliances, and equipment

Why choose zinc-plated machine screws? The zinc coating provides sacrificial corrosion protection, improving durability in moderate moisture and air exposure. They pair with standard 1/4-20 nuts and threaded holes for quick, secure assemblies. Our screws are manufactured to tight tolerances to ensure a reliable fit and optimal driving performance.

For best results, use with compatible washers and pre-tapped or pre-drilled holes to achieve clean assembly and strong clamping force. Stock up on these dependable screws for your next project and experience dependable performance from a trusted fastener.