Carbide Spotting Drill With 90 Degree Point Angle Diameter 8mm
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 | ||||||
Drill Bit GRADE | Coating Name | Color | Hv | μm | Friction | The Max ºC |
HRC45 coating | AlTiN | black | 3300 | 1-4 | 0.7 | 850ºC |
HRC55 coating | TiSiAlN | bronzed | 3400 | 1-4 | 0.7 | 900ºC |
HRC60 coating | AlCrSiN | black | 4000 | 1-7 | 0.35 | 1100ºC |
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