(Standard): DIN934, ISO4032-4036, GB6170, ASME/ANSI B18.2.2,
GOST28919, JIS B1181, etc.
(Grade): 4, 6, 8, 10, 12, A2, A4
(Surface Finished): Black, Phosphating, Zinc Plated, HDG,
Dacromet,Teflon
(Size): M5 - M100, 1/4" - 4"
(Material):Q195, Q235, 10B21, 35K, 45#, 40Cr, 35CrMo, 42CrMo,
SS304, SS316, etc.