Carriage bolt DIN603, WE CAN PRODUCE KINDS OF CARRIAGE BOLTS, DIFFERENT FINISH, PL,ZP ,BL AND HDG.GRADE FROM CLASS 4.8 UP TO 8.8, RAW MATERIAL IS FROM CARBON STEEL.
DIN 603, FINISH ZP, CLASS 4.8
Haiyan County Hongyu Fastener Co., Ltd.
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