
| DD-EF-FB eep Double Tube Drills ith External 4-Start hread Connection for igh Feed (25-65 dia.) | DRVS Wrench size | DC PL | OAL | DCONMS | ||||
| Designation | DCN(1) | DCX(2) | OAL | PL | DCONMS | DRVS(3) | Ts(4) | Tsi(5) |
| DDD-EF 25.00-26.40-FB | 25.00 | 26.40 | 70.00 | 3.00 | 21.00 | 19.0 | TDO-I3 | TDI-N3 |
| DDD-EF 26.41-28.70-FB | 26.41 | 28.70 | 75.00 | 3.00 | 23.50 | 21.0 | TDO-I4 | TDI-N4 |
| DDD-EF 28.71-31.00-FB | 28.71 | 31.00 | 75.00 | 3.00 | 25.50 | 24.0 | TDO-I5 | TDI-N5 |
| DDD-EF 31.01-33.30-FB | 31.01 | 33.30 | 80.00 | 3.00 | 28.00 | 26.0 | TDO-I6 | TDI-N6 |
| DDD-EF 33.31-36.20-FB | 33.31 | 36.20 | 90.00 | 3.00 | 30.00 | 28.0 | TDO-I7 | TDI-N7 |
| DDD-EF 36.21-39.60-FB | 36.21 | 39.60 | 95.00 | 4.00 | 33.00 | 30.0 | TDO-I8 | TDI-N8 |
| DDD-EF 39.61-43.00-FB | 39.61 | 43.00 | 100.00 | 4.00 | 36.00 | 32.0 | TDO-I9 | TDI-N9 |
| DDD-EF 43.01-47.00-FB | 43.01 | 47.00 | 100.00 | 4.00 | 39.00 | 36.0 | TDO-I10 | TDI-N10 |
| DDD-EF 47.01-51.70-FB | 47.01 | 51.70 | 110.00 | 4.00 | 43.00 | 38.0 | TDO-I11 | TDI-N11 |
| DDD-EF 51.71-56.20-FB | 51.71 | 56.20 | 115.00 | 5.00 | 47.00 | 46.0 | TDO-I12 | TDI-N12 |
| DDD-EF 56.21-60.60-FB | 56.21 | 60.60 | 115.00 | 5.00 | 51.00 | 50.0 | TDO-I13 | TDI-N13 |
| DDD-EF 60.61-65.00-FB | 60.61 | 65.00 | 115.00 | 5.00 | 51.00 | 54.0 | TDO-I13 | TDI-N13 |
separately Ordering example: DDD-EF 43.00-FB (1) Cutting diameter minimum (2) Cutting diameter maximum (3) Torque key size (4) Outer tube designation (5) Inner tube designation
For inserts, see pages: NPHT (203) NPMT (204)
For holders, see pages: TDO-I (D18.41-65.00) (266)
| F- | Fixed pocket 3-5 cutting edge | D25.4d19.5 | |
| G- | Fixed pocket single cutting edge | D1.000d.768 | |
| F4ST22 | |||
| [Lot No.] | d | ||
| Thread type | |||
| 4ST- | Four-start thread single tube | ||
| 1ST- | Single-start thread single tube | Thread type | |
| 4DT- | Four-start thread double tube | ||
| 22- | Tube diameter | ||
| Wrench Size |
| Diameter Dc | Wrench size DRVS (mm) | DRVS | ||
| (mm) | ||||
| 25.00 -26.40 | 19 | |||
| 26.41 -28.70 | 21 |
| 28.71 -31.00 | DRVS 24 |
| 31.01 -33.30 | 26 |
| 33.31 -36.20 | 28 |
| 36.21 -39.60 | 30 |
| 39.61 -43.00 | 32 |
| 43.01 -47.00 | 36 |
| 47.01 -51.70 | 38 |
| 51.71 -56.20 | 46 |
| 56.21 -60.60 | 50 |
| 60.61 -65.00 | 54 |
| 65.01 -67.99 | 64 |
| 68.00 -74.99 | 71 |
| 75.00 -80.99 | 77 |
| 81.00 -89.00 | 86 |
For diameter DC range larger than 65mm use hook spanner