HEXAGON HEAVY NUT Technical Features: U-BOLT, I-BOLT, J-BOLT Technical Features Manufacturing standards ANSI/ASME Size range From 1/4 to 4 inches (M8 – M48) Body materials A194 2H/2HM; A194 4/4M; A194 7/7M; A194 8/8M Surface black, galvanized, nickel, cadmium and Teflon plated