5/8"-11 x 1" Socket Head Cap Screw, Alloy Steel, Thermal Black Oxide (USA)

This USA‑made 5/8"-11 x 1" socket head cap screw is manufactured from high‑strength alloy steel to deliver reliable fastening in heavy machinery, structural assemblies, tooling, and demanding industrial applications. The thermal black oxide finish enhances corrosion resistance, improves lubricity, and provides a smooth, uniform, low‑glare appearance while preserving precise dimensional tolerances.Featuring a hex socket drive for secure torque transfer and a strong, vibration‑resistant fit, this robust fastener is ideal for high‑load assemblies requiring exceptional strength, stability, and accurate alignment. Its American‑made construction ensures clean, consistent threading, exceptional durability, and long‑lasting performance under harsh operating conditions.