HSS Standard Gear Hob Cutter Module range:m0.2-m40 Quality:B,A,AA DIN3968 Pressure Angle:PA20degree Profile to DIN3972 Material:HSS M2,M35,ASP Coating:TiN,TiAlN We are a quality manufacturer and exporter of HSS Gear Cutting Tools in china, including: Gear Hob Cutter, Gear Shaper Cutter, Gear Shaving Cutter, Involute and Spline Hob Cutter, Chain Sprocket Hobs, Worm Wheel Hobs, Timing Pulley Hob, Inserted Blade Gear Hobs and Milling Cutters, etc tools.