ASTM A194 2H heavy hex nut 1.Material: medium carbon steel 2.Size:1/4"-2 1/2" 3.Finish:Zinc plated,H.D.G ... 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 ... !Packing:bulk in cartons (25kg Max.)+Pallet, or as customer's requirement. ASTM A194 2H nut/A194 GR 2H ...