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

This USA‑made 1"-8 x 5" socket head cap screw is manufactured from premium high‑strength alloy steel to deliver exceptional fastening performance in heavy machinery, structural steel construction, industrial equipment fabrication, and other extreme‑duty applications. The thermal black oxide finish enhances corrosion resistance, improves lubricity, and provides a smooth, uniform, low‑glare appearance while maintaining precise dimensional accuracy.Designed with a heavy‑duty hex socket drive for secure torque transfer and a strong, vibration‑resistant fit, this extended‑length fastener is ideal for high‑load assemblies requiring maximum strength, stable alignment, and long‑term durability. Its American‑made construction ensures clean, consistent threading, outstanding mechanical integrity, and dependable performance even in the harshest operating environments.