5/16-18 x 1/2 Socket Head Cap Screws Thermal Black Oxide Alloy Steel Domestic USA - Bulk (2500)

5/16-18 x 1/2 Socket Head Cap Screws Thermal Black Oxide Alloy Steel Domestic USA - Bulk (2500) Socket Cap Screws with Thermal Black Oxide finish are made in the USA from durable alloy steel for superior strength and reliability. Featuring a hex drive and corrosion-resistant coating, ideal for high-performance and structural applications.