5/16"-18 Heavy Hex Nut 18-8 Stainless Steel Grade 8 ASTM A194 (Quantity: 100)

Heavy Hex - Finished Pattern Hex Nut | These nuts are intended for high-pressure or high-temperature service, or both. Grade 8 - Stainless Steel AISI 304 Heavy Hex Nut | Thread Size-Pitch: 5/16"-18 | Width Across the Flats: 9/16" | Thickness/Height: 19/64"