Industry Specification: Forged from high-grade chromium-vanadium alloy steel, fully heat-treated to achieve a hardness of HRC 45-50. This material delivers exceptional torsion resistance, impact toughness, and wear resistance, preventing bending, cracking or deformation under high torque loads, meeting ANSI and DIN international tool industry standards.
Materials: CR-V steel
Surface:Satin Sandblasted Chrome plated
Common Standard sizes:8mm;9mm;10mm;11mm;12mm;13mm;14mm;15mm;16mm;17mm;18mm;19mm;21mm;22mm,24mm
Packing: Bulk; Blister card packing; Set packing; Individal OPP bag packing