ASTM A194 2H heavy hex nut 1.Material: medium carbon steel 2.Size:1/4 ... H.D.G,black oxide etc Products information: Heavy hex nut Standard: ASME/ANSI B18.2.2;Size: 1/4 ... 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 ... 25kg Max.)+Pallet, or as customer's requirement. ASTM A194 2H nut/A194 GR 2H NUT