Hexagonal Socket Bolts

æ ‡å‡†(Standard): DIN912 , DIN7984, DIN6912, IISO4762, GB70.1, ASME/ANSI B18.3, ANSI B18.3.1M, BS2470, JIS B1176, etc.等级(Grade): 4.8, 6.8, 8.8, 10.9, 12.9, A2, A4表面处理(Surface Finished): Black, sting, Zinc Plated, HDG, Dacromet,Teflonè§„æ ¼(Size): M5 - M100, 1/4" - 4"材料(Material)：Q195, Q235, 10B21, 35K, 45#, 40Cr, 35CrMo, 42CrMo, B7, SS304, SS316, etc.