Product Parameters
| Carbide Material Introduction | ||||||
| Drill Bit GRADE | Material Grade | Grain | Introduction | Application | ||
| HRC45 carbide material | YL10.2 | 0.6μm | YL10.2 is tungsten carbide powder with 89.7% WC and 10% cobalt powder, and has high toughness and wear resistance. | Suitable for General Steel | ||
| HRC55 carbide material | K30 | 0.5μm | K30 is ultra fine grain and containes Ni and Cr element, which provides high strength and good toughness. | General Steel, cast Steel, cast iron | ||
| HRC60 carbide material | WF25 | 0.4μm | WF25 is 0.4micron ultrafine carbide powder and provides very high toughness and wear resistance. | High Hard Material, steel, cast iron, etc | ||
Coating Introduction
Specifications
| HRC 55 CNC Center Spoting Drill 60° 90° 120° For Steel |
| 1-4*50 |
| 6*50 |
| 8*60 |
| 10*75 |
| 12*75 |
| 4*75 |
| 4*100 |
| 6*75 |
| 6*100 |
| 8*75 |
| 8*100 |
| 10*100 |
| 12*100 |
| 14*100 |
| 16*100 |
| 18*100 |
| 20*100 |
