5/16″-18 X 5-1/2″ Machine Screws Round Head Slotted Drive 18/8 Stainless Steel (100/Pkg.) Best Seller

Machine Screws Slotted Round 18/8 Stainless 5/16-18X5 1/2 are precision fasteners designed for durable metal-to-metal connections. Crafted from 18/8 stainless steel, these screws offer excellent corrosion resistance and strength for a wide range of industrial, automotive, and mechanical applications.

Featuring a slotted round head, these screws provide a clean, low-profile appearance on assembled parts while offering reliable driving with a standard flat-blade screwdriver. The 5/16-18 thread and 5-1/2 inch length make them suitable for thick components, panels, and brackets where a longer fastener is required.

Material: 18/8 stainless steel (304)

Head style: Slotted round head

Drive type: Slotted

Thread size: 5/16-18

Length: 5-1/2 inches

Finish: Stainless

Applications: Ideal for metal-to-metal assemblies, equipment enclosures, brackets, and other heavy-duty fastening needs

For projects requiring high corrosion resistance and dependable performance, choose these standard-size machine screws to ensure a secure, long-lasting fit.