
| Applications | STS (Single Tube System | ) | DTS (Double Tube System) | |
| DSD-E0 | DSD-E1 | DSD-E2/E3 | DDD-E3 | |
| Brazed drill heads | ||||
| Drill diameter (mm) | ø8 - 14.79 | ø12.6 - 20 | ø12.6 - 65 | ø18.4 - 65 |
| ype External single-start thread | 3 | - | - | - |
| ead t External 2-start thread | - | ø12.6 - 15.59 mm | ø12.6 - 15.59 mm | - |
| Thr External 4-start thread | - | ø15.6 - 20 mm | ø15.6 - 65 mm | 3 |
| Hole tolerance | IT9 | IT9 | IT9 | IT9 |
| Surface finish Ra (μm) | 2 | 2 | 2 | 2 |
| Deep hole drilling machines | 3 | 3 | 3 | 3 |
| hine NC machines | - | - | - | 3 |
| Mac Lathes | - | - | - | 3 |
| Machining centers M/C | - | - | - | 3 |
| P Steel | ••• | ••• | ••• | ••• |
| erial M Stainless | ••• | ••• | ••• | ••• |
| e mat K Cast iron | ••• | ••• | ••• | ••• |
| kpiec N Non-ferrous | ••• | ••• | ••• | ••• |
| Wor S Superalloys | •• | •• | •• | •• |
| H Hard materials (≥40HRC) | •• | •• | •• | •• |
| Page | 230 | 230 | 231 | 232 |
••• (Excellent) • (Standard)