5/8"-11 x 2‑1/4" Socket Head Cap Screw, Alloy Steel, Thermal Black Oxide (USA)

This USA‑made 5/8"-11 x 2‑1/4" socket head cap screw is engineered from high‑strength alloy steel to deliver reliable fastening performance in heavy machinery, industrial equipment, structural assemblies, and demanding fabrication environments. The thermal black oxide finish provides enhanced corrosion resistance, improved lubricity, and a smooth, uniform, low‑glare appearance while maintaining precise dimensional tolerances.Featuring a hex socket drive for secure torque transfer and a stable, vibration‑resistant fit, this extended‑length fastener is ideal for high‑load applications requiring superior strength, alignment accuracy, and long‑lasting reliability. Its American‑made construction ensures clean, consistent threading, exceptional durability, and dependable performance even under harsh operating conditions.