5/16"-18 X 5/8" Machine Screws | Fillister Head | Slotted Drive | Steel Zinc Plated (1500/Pkg.)

Engineered for dependable metal fastening, our Machine Screws Slotted Fillister Steel Zinc Plated 5/16-18 x 5/8 deliver durable performance in a wide range of assemblies. The steel body and zinc finish provide strength and corrosion resistance for years of reliable service in demanding environments.

• Head style: Slotted Fillister head for a broad bearing surface and secure seating.
• Material & finish: Steel with zinc plating for corrosion protection and long life.
• Size & thread: 5/16" diameter, 18 threads per inch (5/16-18), length 5/8".
• Drive type: Slotted drive compatible with standard flat-blade screwdrivers.
• Applications: Ideal for machinery, control panels, enclosures, electrical boxes, and general metal-to-metal fastening.

Why choose this screw?

• Strong clamp load suitable for mid-thickness panels and assemblies.
• Enhanced corrosion resistance from zinc plating, suitable for humid or industrial settings.
• Consistent manufacturing tolerances for reliable performance in fast-paced production environments.

Specifications:

• Diameter: 5/16 inch
• Thread: 18 UNC
• Length: 5/8 inch
• Head: Slotted Fillister
• Material: Steel
• Finish: Zinc Plated