Changzhou Xinpeng Tools Manufacturing Co.,Ltd
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Cemented Tungsten Carbide Drill Bits For Hardened Steel Metal 3D Coating
tungsten carbide drill bits
Specifications
| Raw Material | GU20UF/TF200 |
| WC | 89% |
| Co | 11% |
| TRS | >4300N/mm2 |
| Hardness | >91.5HRA |
| A.O.L | 66mm-153mm |
| Grain size | 0.6 μm |
| Upto | HRC55-60 |
| Coating | Balzers/TiSiN |
| Suitable for | various grades of steel, non-ferrous metals and other materials |
Coating
| Item | TiSiN |
| Hardness(HV) | 3600 |
| Thickness(UM) | 3 |
| Oxidation temp(°) | 1000 |
| Friction coeffient | 0.45 |
| Color | Copper |
Standard Sizes
| Flute Length=3*D | |
| Cutting Diameter | Shank Diameter* Overall Length |
| D3-D6 | D6*66L |
| D6.1-D8 | D8*79L |
| D8.1-D10 | D10*89L |
| D10.1-D12 | D12*102L |
| D12.1-D14 | D14*107L |
| D14.1-D16 | D16*115L |
| D16.5-D18 | D18*123L |
| D18.5-D20 | D20*131L |
| Flute Length=5*D | |
| Cutting Diameter | Shank Diameter* Overall Length |
| D3-D3.7 | D6*66L |
| D4-D4.65 | D6*74L |
| D4.8-D6 | D6*82L |
| D6.1-D8 | D8*91L |
| D8.1-D10 | D10*103L |
| D10.1-D12 | D12*118L |
| D12.1-D14 | D14*124L |
| D14.1-D16 | D16*133L |
| D16.5-D18 | D18*143L |
| D18.5-D20 | D20*153L |