5/16-18 Heavy Hex Jam Nuts - Grade 5
Manufactured to ASME B18.2.2 & SAE J995 speclflcatlons
Proof Load:
Coarse: (1/4" thru 1" diam): 72,000 psi; (1-1/8" thru 1-1/2" diam): 63,000 psi
Fine: (1/4" thru 1" diam): 65,000 psi; (1-1/8" thru 1-1/2'‘ diam): 57,000 psi Coarse & Flne Thread / Steel Zinc Plated
