SU Series (metric): 3x diameter depth, straight shank, external cooling
| Drill Type: | 3D, Straight Shank | |
| Cooling Method: | External | |
| Grade: | KDG303 | |
| Grade Description: | Nano structured nc-TiAlN coating on ultrafine high strength carbide substrate | |
| Application: | General drilling on a wide range of workpiece materials, particularly carbon steel, alloy steel, pre-hardened steel (HRC40), cast iron, nodular cast iron, etc. |
| Stocking Item | Dimension (mm) | |||||
| Part Number | Drill Dia.(d1) | Shank Dia.(d2) | Overall Length(L1) | Flute Length(L2) | Recom. Drilling Depth (L3) | Shank Length(L4) |
| 1534SU03-0350 | 3.5 | 6 | 62 | 20 | 14 | 36 |
| 1534SU03-0370 | 3.7 | 6 | 62 | 20 | 14 | 36 |
| 1534SU03-0510 | 5.1 | 6 | 66 | 28 | 20 | 36 |
| 1534SU03-0640 | 6.4 | 8 | 79 | 34 | 24 | 36 |
| 1534SU03-0720 | 7.2 | 8 | 79 | 41 | 29 | 36 |
| 1534SU03-0800 | 8.0 | 8 | 79 | 41 | 29 | 36 |
| 1534SU03-0850 | 8.5 | 10 | 89 | 47 | 35 | 40 |
| 1534SU03-0880 | 8.8 | 10 | 89 | 47 | 35 | 40 |
| 1534SU03-0950 | 9.5 | 10 | 89 | 47 | 35 | 40 |
| 1534SU03-1060 | 10.6 | 12 | 102 | 55 | 40 | 45 |
| 1534SU03-1380 | 13.8 | 14 | 107 | 60 | 43 | 45 |
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