... also can produce according to your requireme 1)Railway bolt: 2) Material: Carbon steel - Q915, Q215, Q235, 1008, SWRCH8A, SWRM6, SWROH35K, 35ACR ... , 40ACR, 45#, 40cr, 10B21, 10B33, 10B38, B7, stainless steel - 304M, 304HC, 316, 416 3) Coating: Plain, Black, Yellow Zinc ... plastic bag, 25kgs bag or box, bulk in pallet stainless steel - 304M Railway bolt