5/16-18 18-8 Stainless Finished Hex Nuts – Coarse Thread – Qty 20

SKU: 3107
Product Type: Finished hex nut (standard pattern)
Thread Size: 5/16-18 UNC (coarse), 18 TPI, right-hand
Thread Class: 2B (internal)
Material: 18-8 (304) stainless steel
Finish: Plain stainless, typically passivated (no coating)
Drive/Shape: Hex, wrench/socket compatible
Across Flats (AF): 1/2 in (standard for 5/16″ hex nuts)
Nut Height: Standard finished hex height per ASME B18.2.2
Corrosion Resistance: Excellent (outdoor, marine, industrial)
Magnetism: Non-magnetic to slightly magnetic (typical for 18-8)
Standards/References: ASME B1.1, ASME B18.2.2, ASTM F594 (304)
Recommended Mating Hardware: 5/16-18 stainless bolts/studs & flat washers
Usage Notes: Use anti-seize on stainless-to-stainless to minimize galling
Package Quantity: 20 nuts