HSS high speed steel hole opener
1After special heat treatment, the cutting edge is sharp and the strength is high.
2-edge computer indexing, high-speed grinding and forming
3. It has high precision, stable cutting, special impact resistance and good wear resistance.
4. Cutting black, non-ferrous metal effect,
5. It can cut on uneven workpieces, such as opening holes in various types of pipes.
6. When cutting cold and hard materials, coolant should be added according to the cutting edge temperature.
It is recommended to choose the stainless steel model https:// detail.1688.com/ offer/ 548534064440.html? spm= a261y.7663282.1998411376.2.w8hXf0
