5/16"-18 X 1-3/4" Machine Screws | Indented Hex Washer Head | Steel Zinc Plated (600/Pkg.)

Machine Screws Unslotted Indented Hex Washer Zinc Plated 5/16-18 X 1 3/4 are precision-engineered fasteners designed for secure metal-to-metal assemblies. The unslotted indented hex washer head provides a flush, low-profile finish while delivering reliable torque and pull-out resistance.

• Head style: Indented hex washer
• Drive type: Internal hex (Allen) drive; unslotted
• Thread size: 5/16-18
• Length: 1-3/4 inches
• Finish: Zinc-plated for corrosion resistance
• Material: Steel
• Applications: Ideal for metal-to-metal fastening in machinery, panels, enclosures, and brackets

For best results, pair these machine screws with compatible nuts or threaded inserts and mating components that accept 5/16-18 threads. The zinc finish helps resist corrosion in everyday industrial environments.