Involute spline gear hob, hobbing cutter,PA30°, high-speed steel M2 material, A-grade accuracy, M1M1.5M2M2.5M3M4

Involute spline gear hob, hobbing cutter,PA30°, high-speed steel M2 material, A-grade accuracy, M1M1.5M2M2.5M3M4

Aliexpress UK