... 18.2.6 (ASTMA325,A490), JISB1186 AS1252Grade:8.8S, 10.9S , Size:M12-M36 Material:Carbon Steel,Alloy Steel 1> Description: High strength ... established the long-term business cooperation relationship with some famous G. E. T manufacturers & distributors in Europe & America & ... A307Surface: SELF COLOUR, BLACK,ZP,YZP,H.D.G, DACROMENTMaterials:high quality carbon steel (C1015,C1035,C1045etc)Alloy steel:20 ...