5/16-18 x 2-1/2 Grade 8 Coarse Hex Cap Screws

These 5/16-18 x 2-1/2 Grade 8 Coarse Hex Cap Screws are engineered from high-strength Grade 8 steel, delivering exceptional durability and reliable performance in demanding industrial and mechanical applications. Featuring a yellow zinc finish, these bolts offer moderate corrosion resistance, making them suitable for environments where protection against rust is important.

Designed with a hex head and integrated washer, these screws allow for easy installation and removal using standard wrenches or sockets, while providing enhanced holding power. The precise coarse threading ensures smooth engagement with nuts to maintain secure connections under stress. Additionally, head stamping enables quick and clear grade identification even after installation.

Ideal for use in automotive, construction, and heavy machinery industries, these Grade 8 hex cap screws provide dependable fastening solutions where strength and longevity are critical. Their combination of robust material, corrosion resistance, and user-friendly design makes them a versatile choice for professionals and DIY enthusiasts alike.