5/8"-18 x 1‑3/4" Socket Head Cap Screw, Alloy Steel, Thermal Black Oxide (USA)

This USA‑made 5/8"-18 x 1‑3/4" socket head cap screw is manufactured from premium high‑strength alloy steel to deliver precise, reliable fastening in machinery, industrial equipment, tooling, and fine‑thread assemblies. The thermal black oxide finish enhances corrosion resistance, improves lubricity, and provides a clean, uniform, low‑glare appearance while preserving strict dimensional tolerances.Featuring a precision hex socket drive for secure torque transfer and a stable, vibration‑resistant fit, this fine‑thread fastener is ideal for high‑load applications requiring exceptional strength, accurate alignment, and long‑term durability. Its American‑made construction ensures clean, consistent threading, excellent mechanical integrity, and dependable performance even in demanding industrial environments.