M35 Cobalt Step Drill Bit

Product details of HSS-Co M35 Cobalt Step Drill Bit Triangle Shank 1. CNC CNC, CBN grinding wheel. | 2. 118° X Bit Design, you can drill from any angle, no slipping. | 3. New notch design, great chip removal, small resistance, geat heat dissipation. | 4. Higher accuracy sharper achieve drilling burr. | 5. Plated cobalt coating, a substantial increase in the wear resistance and oxidation resistance. | 6. Triangle shank make more stable clamping. | 7. Ideal for cutting through metal, wood and plastic quickly and easily. | 8. Available in 3 sizes. | Sizes Specification: – 4 – 12mm ( 5-Steps) – 4 – 20mm ( 9-Steps) – 4 – 32mm ( 15-steps)