Bolts are produced C35 or CK35 materials,suitable for DIN norms. These bolts have 8*8=64 kg/mm² tensile strength. Bolts are between HRC 21~29 hardness value.
Bolts are produced C35 or CK35 materials,suitable for DIN norms. These bolts have 8*8=64 kg/mm² tensile strength. Bolts are between HRC 21~29 hardness value.