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High Speed Solid Carbide Twist Drill Bit
1. Raw Material
| HRC45 | HRC55 | HRC60 | HRC65 |
| YG10X | YG10.2 WF25(Taiwan) | K44 K40 | Sandvik H10F |
| Grain Size:0.7um Co:10 % Flexural strength:3320N/mm2 | Grain Size:0.6um Co:10 % Flexural strength:4000N/mm2 | Grain Size:0.5um Co:12 % Flexural strength:4300N/mm2 | Grain Size:0.4um Co:12.5 % Flexural strength:4300N/mm2 |
2.Super Coating
| AlTiN | TiAIN | TiSiN | Nano | |
| Hardness(HV) | 3200 | 2800 | 3600 | 42(GPA) |
| Thickness(UM) | 2.5-3 | 2.5-3 | 3 | 3 |
| Oxidation Temp(°) | 900 | 800 | 1000 | 1200 |
| Friction Coeffient | 0.3 | 0.3 | 0.45 | 0.4 |
| Color | Black | Violet | Copper | Blue |
3. Super ANCA,Walter Grinding Machine
4. Each end mill is inspected by Zoller measuring and inspected machine.
5. The following Specification for your refer, We also provide the OEM or ODM servic
| (Order No) | Cutting | Flute | Shank | A.0.L |
| HJ3*16*4D*50L | 3 | 16 | 4 | 50 |
| HJ3.5*20*5D*50L | 3.5 | 20 | 5 | 50 |
| HJ4*22*6D*50L | 4 | 22 | 6 | 50 |
| HJ4.5*24*7D*70L | 4.5 | 24 | 7 | 70 |
| HJ5*26*8D*70L | 5 | 26 | 8 | 70 |
| HJ5.5*28*9D*70L | 5.5 | 28 | 9 | 70 |
| HJ6*28*10D*70L | 6 | 28 | 10 | 70 |
| HJ6.5*30*11D*75L | 6.5 | 30 | 11 | 75 |
| HJ7*30*12D*75L | 7 | 30 | 12 | 75 |
| HJ7.5*30*14D*75L | 7.5 | 30 | 13 | 75 |
| HJ8*30*14D*75L | 8 | 30 | 14 | 75 |
| HJ8.5*35*15D*90L | 8.5 | 35 | 15 | 90 |
| HJ9*40*16D*90L | 9 | 40 | 16 | 90 |
| HJ9.5*40*17D*90L | 9.5 | 40 | 17 | 90 |
| HJ10*40*18D*90L | 10 | 40 | 18 | 90 |
| HJ11*40*19D*100L | 11 | 40 | 19 | 100 |
| HJ13*45*20D*100L | 13 | 45 | 20 | 100 |
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