ASTM A194 2H heavy hex nut 1.Material: medium carbon steel 2.Size:1/4"-2 ... .Our rang of nut:Finished nut,Finished jam nut,Heavy hex nut,Heavy hex jam nut,Square nut,Hex Flange nut, Lock Nut,Hex coupling nut,Wing nut,Cap nut,Keep nut,Castle nutStandard ... , UNFFinish: Plain, Black, Zinc Plated/ZP, Yellow Zinc Plated/YZP, HDG or acc. to the customers’ demand.Packing: bulk in cartons ...