Gear shaper cutter made of M2. We offer GB standard hob and also accepted special size order. High quality, precision, wearableApplied to GB6084-85Specification: M1-M8,Angle: a20°precision Grade: AA, A, B.Structure: straight angle, zero angel and forward angel.Coating: nitride titaniumPlease describe on the order: Mold NO., precision grade, arc, out diameter in diameter, other special demand and parameters. Pitch diameter:75mm, M1-4 mm, a=20° Size unite(mm) Mold Teeth NO. Pitch Diameter D d1 b B M Z0 d0 15 1.00 76 76.00 31.743 58 10 15 1.25 60 75.00 31.743 58 10 15 1.50 50 75.00 31.743 58 10 17 1.75 43 75.25 31.743 58 10 17 2.00 38 76.00 31.743 58 10 17 2.25 34 76.50 31.743 58 10 17 2.50 30 75.00 31.743 58 10 20 2.75 28 77.00 31.743 58 10 20 3.00 25 75.00 31.743 52 10 20 3.25 24 78.00 31.743 54 10 20 3.50 22 77.00 31.743 52 10 20 3.75 20 75.00 31.743 50 10 20 4.00 19 76.00 31.743 50 10 20 If you need special size or more information, please feel free to contact with us!