Gear shaper cutter made of M2. We offer GB standard hob and also accepted special size order. High quality, precision, wearable.Diameter pitch 50mm, M1-3.5, a=20° Size unite (mm) modules Teeth NO. Diameter Pitch D1 b B B1 M z d 1.00 50 50.00 30 10 25 14 1.25 40 50.00 30 10 25 14 1.50 34 51.00 30 10 25 14 1.75 29 50.75 30 10 25 17 2.00 25 50.00 30 10 25 17 2.25 22 49.50 30 10 25 17 2.30 20 50.00 30 10 25 17 2.75 18 49.50 30 10 25 17 3.00 17 51.00 30 10 27 20 3.25 15 48.75 30 10 27 20 3.50 14 49.00 30 10 27 20 Note : In original cross-section of the shape cutter,Addendum coefficient is 1.25 modules. Teeth thickness ismπ/2