... UIC, GOST, GB/TB, DIN, BS, AS, ASTM Hex Nut:1:We produce nuts according to UIC, GOST, GB/TB, ... required by customers.2:Grade could be ASTM Gr.1,Gr.2,2H ,BS 4,6,8,10, ... 12,3:Size from 1/2 to1-3/8;M10 to M48;4:Material: Carbon steel ... or stainless steel, Q195, Q235, 35#, 45#, 35CrMo, 42CrMo, 40Cr etc.5 ... Europe, North Europe, Middle Asia, Southeast of Asia. Hex Nut