Description
Our solid carbide twist drill bits are made from super carbide materia.
hardness up to 91 HRA
speical size ,helix angle design available.
Tialn coating available.
| STC025-2, SOLID CARBIDE DRILL, Metric |
|
| METRIC SIZES, GOST 17275, MIDDLE SERIES |
| Size | Flute Length | Overall Length |
| Size | Flute Length | Overall Length |
|
| 3 | 24 | 55 |
| 7.8 | 52 | 95 |
| 3.2 | 24 | 55 |
| 8 | 52 | 95 |
| 3.5 | 28 | 60 |
| 8.2 | 52 | 95 |
| 3.8 | 30 | 63 |
| 8.5 | 52 | 95 |
| 4 | 30 | 63 |
| 8.8 | 55 | 100 |
| 4.2 | 30 | 63 |
| 9 | 55 | 100 |
| 4.5 | 32 | 65 |
| 9.2 | 55 | 100 |
| 4.8 | 36 | 70 |
| 9.5 | 60 | 105 |
| 5 | 36 | 70 |
| 9.8 | 60 | 105 |
| 5.2 | 36 | 70 |
| 10 | 60 | 105 |
| 5.5 | 40 | 75 |
| 10.2 | 60 | 105 |
| 5.8 | 40 | 75 |
| 10.5 | 60 | 105 |
| 6 | 40 | 75 |
| 10.8 | 65 | 110 |
| 6.2 | 42 | 80 |
| 11 | 65 | 110 |
| 6.5 | 42 | 80 |
| 11.2 | 65 | 110 |
| 6.8 | 45 | 85 |
| 11.5 | 65 | 110 |
| 7 | 45 | 85 |
| 11.8 | 65 | 110 |
| 7.2 | 45 | 85 |
| 12 | 70 | 120 |
| 7.5 | 45 | 85 |
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Complaint
