Bolts are produced 41Cr4 materials,suitable for DIN norms. These bolts have 10*9=90 Kg/mm² tensile strength. Bolts are between HRC 31~39 hardness value.
Bolts are produced 41Cr4 materials,suitable for DIN norms. These bolts have 10*9=90 Kg/mm² tensile strength. Bolts are between HRC 31~39 hardness value.