RAW MATERIAL: 1035 1045 40CR
FINISH: BLACK/ZP/HDG
STANDARD: IS04014/4017(DIN931/933)
ASME B18.2.1
SIZE: M4-M52
114”2
GRADE: IS0 898-1 (4.8/6,8/8.8/10.9)
SAE J429 (GR.2/5/8)
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