Module – M2.5. Outside Dia – 63mm. Bore Dia – 22mm. Material – HSS P6M5 =. Range of Cutters for module gear cutters. Cuts Gear tooth range. 135 – to Rack. May be imposed by your post office or government agency in your country. The item “Involute Gear Cutter Set M2.5 PA20° HSS (1-8) Spline Modulfräser Zahnradfräser” is in sale since Friday, February 8, 2019. This item is in the category “Business & Industrial\CNC, Metalworking & Manufacturing\Metalworking Supplies\Other Metalworking Supplies”. The seller is “ti.tools” and is located in Ukraine. This item can be shipped worldwide.