5/16"-18 x 2" Socket Head Cap Screw, Alloy Steel, Thermal Black Oxide (USA)

This USA‑made 5/16"-18 x 2" socket head cap screw is engineered from high‑strength alloy steel to deliver dependable fastening performance in machinery, tooling, equipment assembly, and other precision industrial applications. The thermal black oxide finish improves corrosion resistance, enhances lubricity, and provides a uniform, low‑glare appearance while maintaining exact dimensional tolerances.Featuring a hex socket drive for secure torque transfer and a vibration‑resistant fit, this longer‑length fastener is ideal for assemblies requiring additional reach and consistent strength. Its American‑made construction ensures clean, accurate threading, excellent durability, and long‑lasting performance in demanding environments.