5/8"-11 x 1‑1/2" Socket Head Cap Screw, Alloy Steel, Thermal Black Oxide (USA)

This USA‑made 5/8"-11 x 1‑1/2" socket head cap screw is manufactured from premium high‑strength alloy steel to deliver exceptional fastening performance in heavy machinery, structural assemblies, tooling, and demanding industrial applications. The thermal black oxide finish increases corrosion resistance, enhances 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 mid‑length fastener is ideal for high‑load assemblies requiring superior strength, stability, and accurate alignment. Its American‑made construction ensures clean, consistent threading, outstanding durability, and dependable long‑term performance even in harsh operating environments.