Bolts are produced 42CrMo4 materials,suitable for DIN norms. These bolts have 12*9=108 kg/mm² tensile strength. Bolts are between HRC 39~44 hardness value.
Bolts are produced 42CrMo4 materials,suitable for DIN norms. These bolts have 12*9=108 kg/mm² tensile strength. Bolts are between HRC 39~44 hardness value.