Description: M2 Diameter 22mm 20degree #1-8 HSS Involute Gear Milling Cutter Specification: Module Number: M2 Material: HSS Outer Diameter: 60mm Inside Bore: 22mm Pressure Angle: 20 degree Quantity: 1pc Each of Gear is different: 1#: 12-13 Gear 2#: 14-16 Gear 3#: 17-20 Gear 4#: 21-25 Gear 5#: 26-34 Gear 6#: 34-54 Gear 7#: 55-134 Gear 8#: 135 Gear Feature: M2 HSS gear milling cutter. Specialty cutting tools designed for milling gears. Sized and proportioned to afford a good cutting range and ample rigidity. Straight form tooth design to suit the involute gear form. Well suited for use in a variety of ferrous and non-ferrous materials. Package included: 1 X HSS Gear Milling Cutter