4.Lead Angle(λ): 0°-20° 5.Shape:Hole Type/Shank Type 6.Number of Thread: 1-4 7.Specifications(mm): Shank Type: ModulePitch Circle Dia.Working LengthOverall lengthMorse taper2264539042.53055336653.54270444804.549.58555095654115 HoleType: ModulePitch Circle Dia.Overall lengthHole dia.560105226661252776311022777130278641202288815032 We can provide all kinds of gear hobs, gear shaper cutters and gear shaving cutters. If you have any requirement, pls contact us. We'll try our best to satisfy you. You're welcome every time, all the time.