Diameter Tolerance：：D≤12  0~-0.02   12<D  0~-0.03

Spherical Tolerance：  R≤3  R±0.005    R＞3  R±0.01

Tolerance of arc angle：R＜0.5  R±0.005    R＞0.5 R±0.01

Excellent performance and cost-effective. Taiwan quality.

Selection of 0.4μm imported super fine grain carbide material, excellent wear resistance, universal machining.

Suitable for complex working conditions or machining of high hardness materials.

Slot shape is strictly controlled, matching with high rigidity structure, can get good wear resistance and chipping resistance.

Special tool design, high precision tolerance and quality control.

Emulsion or oil-based coolant is recommended.

Semi-finishing and finishing.