Size:#4-1 1/2" Grade:Grade2,5,8,2H,7M,8,8M Finish:Passivated,Black Oxide,Zinc,Dacromet Prevailing-torque type steel hex nuts IFI100/107Material:Stainless Steel,Carbon Steel,Alloy Steel1) Various kinds of nuts are available2) Can be made with different tensile strength, such as Grade2,Grade5,Grade83) Can be supplied with different finish, such as bright, zinc plated, black,dacromet4) Can be made ...