1/2"-13 x 3" Socket Head Cap Screw, Alloy Steel, Thermal Black Oxide (USA)

This USA‑made 1/2"-13 x 3" socket head cap screw is manufactured from high‑strength alloy steel to deliver exceptional fastening performance in heavy machinery, tooling, equipment assembly, and demanding industrial applications. The thermal black oxide finish enhances corrosion resistance, improves lubricity, and provides a smooth, uniform, low‑glare appearance while preserving tight dimensional tolerances.Featuring a hex socket drive for superior torque transfer and a secure, vibration‑resistant fit, this extended‑length fastener is ideal for assemblies requiring greater reach along with exceptional strength, stability, and precise alignment. Its American‑made construction ensures clean threading, excellent durability, and long‑lasting performance in harsh operating environments.