Buy Online 5/16″-18 X 1-1/2″ Machine Screws Flat Head Six Lobe Drive Steel Zinc Plated (1000/Pkg.)

Meet the dependable fastening solution: Machine screws with a zinc-plated finish and a Torx Alt drive, sized 5/16-18 and measuring 1-1/2 inches long. Built for durability in metal-to-metal assemblies, these screws combine torque-friendly drive with corrosion resistance.

Ideal for securing panels, machinery housings, electrical enclosures, and other metal components where a secure Torx drive delivers high torque without cam-out.

Key features

Drive type: Torx Alt

Finish: Zinc-plated for corrosion resistance

Size: 5/16-18

Length: 1-1/2 in

Type: Machine screws

For best results, pair with corresponding nuts or tapped holes that match the 5/16-18 thread profile. These screws are designed for precision and durability in a wide range of industrial, automotive, and DIY applications.