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

This USA‑made 5/8"-11 x 2‑1/2" socket head cap screw is manufactured from high‑strength alloy steel to provide exceptional fastening performance in heavy machinery, industrial equipment, structural assemblies, and demanding fabrication applications. The thermal black oxide finish enhances corrosion resistance, improves lubricity, and offers 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 extended‑length fastener is ideal for high‑load applications requiring dependable strength, alignment accuracy, and long‑lasting durability. Its American‑made construction ensures clean, consistent threading, excellent mechanical performance, and reliable service even in harsh operating environments.