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Solid Carbide Twist Drill
Product Features:
1. SL series of general processing twist drill enjoy a board scope of application, can fulfill a efficient material processing of steel,stainless steel and cast iron, especially in deep-hole drill.
2. Optimization of groove design and waveform designation of cutting edge achieves superior sharpness and strength, the auger bits make chip-remove smoother.
3.140° Angle design reduces feed force in initial stage of drilling, provides an excellent self-centering ability and ensures the processing quality of hole.
4. The nanoscale TiAN coating improves hot hardness and significantly prevents the BUE.
| Drill Diameter | Drilling Depth | Cooling Mode | Shank Form | Shank Diameter | Overall Length | Drill Length | Suitable Drill Depth | Shank Length |
| 3 | 12 | Internal | Straight | 6 | 90 | 50 | 40 | 36 |
| 3.1 | 12 | Internal | Straight | 6 | 90 | 50 | 40 | 36 |
| 3.2 | 12 | Internal | Straight | 6 | 90 | 50 | 40 | 36 |
| 3.3 | 12 | Internal | Straight | 6 | 90 | 50 | 40 | 36 |
| 3.4 | 12 | Internal | Straight | 6 | 90 | 50 | 40 | 36 |
| 3.5 | 12 | Internal | Straight | 6 | 90 | 50 | 40 | 36 |
| 3.6 | 12 | Internal | Straight | 6 | 90 | 50 | 40 | 36 |
| 3.7 | 12 | Internal | Straight | 6 | 90 | 50 | 46 | 36 |
| 3.8 | 12 | Internal | Straight | 6 | 90 | 50 | 46 | 36 |
| 3.9 | 12 | Internal | Straight | 6 | 90 | 50 | 46 | 36 |
| 4 | 12 | Internal | Straight | 6 | 102 | 64 | 56 | 36 |
| 4.1 | 12 | Internal | Straight | 6 | 102 | 64 | 56 | 36 |
| 4.2 | 12 | Internal | Straight | 6 | 102 | 64 | 56 | 36 |
| 4.3 | 12 | Internal | Straight | 6 | 102 | 64 | 56 | 36 |
| 4.4 | 12 | Internal | Straight | 6 | 102 | 64 | 56 | 36 |
| 4.5 | 12 | Internal | Straight | 6 | 102 | 64 | 56 | 36 |
| 4.6 | 12 | Internal | Straight | 6 | 102 | 64 | 56 | 36 |
| 4.7 | 12 | Internal | Straight | 6 | 102 | 64 | 56 | 36 |
| 4.8 | 12 | Internal | Straight | 6 | 102 | 64 | 56 | 36 |
| 4.9 | 12 | Internal | Straight | 6 | 102 | 64 | 56 | 36 |
| 5 | 12 | Internal | Straight | 6 | 116 | 78 | 72 | 36 |
| 5.1 | 12 | Internal | Straight | 6 | 116 | 78 | 72 | 36 |
| 5.2 | 12 | Internal | Straight | 6 | 116 | 78 | 72 | 36 |
| 5.3 | 12 | Internal | Straight | 6 | 116 | 78 | 72 | 36 |
| 5.4 | 12 | Internal | Straight | 6 | 116 | 78 | 72 | 36 |
| 5.5 | 12 | Internal | Straight | 6 | 116 | 78 | 72 | 36 |
| 5.6 | 12 | Internal | Straight | 6 | 116 | 78 | 72 | 36 |
| 5.7 | 12 | Internal | Straight | 6 | 116 | 78 | 72 | 36 |
| 5.8 | 12 | Internal | Straight | 6 | 116 | 78 | 72 | 36 |
| 5.9 | 12 | Internal | Straight | 6 | 116 | 78 | 72 | 36 |
| 6 | 12 | Internal | Straight | 6 | 116 | 78 | 72 | 36 |
| 6.1 | 12 | Internal | Straight | 8 | 131 | 93 | 84 | 36 |
| 6.2 | 12 | Internal | Straight | 8 | 131 | 93 | 84 | 36 |
| 6.3 | 12 | Internal | Straight | 8 | 131 | 93 | 84 | 36 |
| 6.4 | 12 | Internal | Straight | 8 | 131 | 93 | 84 | 36 |
| 6.5 | 12 | Internal | Straight | 8 | 131 | 93 | 84 | 36 |
| 6.6 | 12 | Internal | Straight | 8 | 131 | 93 | 84 | 36 |
| 6.7 | 12 | Internal | Straight | 8 | 131 | 93 | 84 | 36 |
| 6.8 | 12 | Internal | Straight | 8 | 131 | 93 | 84 | 36 |
| 6.9 | 12 | Internal | Straight | 8 | 131 | 93 | 84 | 36 |
| 7 | 12 | Internal | Straight | 8 | 131 | 93 | 84 | 36 |
| 7.1 | 12 | Internal | Straight | 8 | 146 | 108 | 96 | 36 |
| 7.2 | 12 | Internal | Straight | 8 | 146 | 108 | 96 | 36 |
| 7.3 | 12 | Internal | Straight | 8 | 146 | 108 | 96 | 36 |
| 7.4 | 12 | Internal | Straight | 8 | 146 | 108 | 96 | 36 |
| 7.5 | 12 | Internal | Straight | 8 | 146 | 108 | 96 | 36 |
| 7.6 | 12 | Internal | Straight | 8 | 146 | 108 | 96 | 36 |
| 7.7 | 12 | Internal | Straight | 8 | 146 | 108 | 96 | 36 |
| 7.8 | 12 | Internal | Straight | 8 | 146 | 108 | 96 | 36 |
| 7.9 | 12 | Internal | Straight | 8 | 146 | 108 | 96 | 36 |
| 8 | 12 | Internal | Straight | 8 | 146 | 108 | 96 | 36 |