1/4-20 Finished Hex Nuts - Grade 5 - Black Oxide - Coarse Thread
Manufactured to ASME B18.2.2 & SAE J995 specification
Proof Load: (1/4" thru 1" diam): 120,000 psi
Core Hardness: Rockwell C32 max.
Coarse Thread / Steel Black Oxide
Free Manufacturer’s Certificaion Available
