5/8"-11 Hex Jam Nut, Grade 8, Coarse Thread, Zinc Yellow Cr+6 Finish

The 5/8"-11 hex jam nut is produced from high‑strength Grade 8 steel to deliver dependable locking performance in demanding, high‑load applications. Its thin jam‑nut profile is ideal for tight‑clearance or double‑nut assemblies, while the coarse thread provides fast engagement and strong holding power. The zinc yellow Cr+6 finish offers enhanced corrosion resistance and easy visual identification, making it well suited for automotive, industrial, and heavy‑equipment environments.