Carbon Steel Nut Manufacturing Standards: ANSI/ASME
Nut Size range: from 1/4-inch to 4-inch (M8 - M48)
Carbon Steel hexagon Nut Materials: A194 2H/2HM; A194 4/4M; A194 7/7M; A194 8/8M
Carbon Steel Nut Surface: black, galvanized, nickel, cadmium and PTFE plated