
| Applications | STS | (Single Tube Sys | tem) | DTS (Double Tube System) | |
| MBU | UTE | BTU | ETU | ||
| Br | azed drilling heads | ||||
| D | rill diameter (mm) | ø8 - ø14.79 | ø12.6 - ø20 | ø12.6 - ø65 | ø18.4 - ø65 |
| External single thread | - | - | - | ||
| type | External double thread | - | 1 | 1 | - |
| hread | External quadruple thread | - | 2 | 2 | |
| T | Internal single thread | - | - | - | - |
| Hole tolerance3 | IT9 | IT9 | IT9 | IT9 | |
| Sur | face finish Ra (µm)3 | 2 | 2 | 2 | 2 |
| Deep hole drilling machines | |||||
| e | NC machines | - | - | - | |
| achin | Lathes | - | - | - | |
| M | Machining centers M/C | - | - | - | |
| Gundrill machines | - | - | - | - | |
| Steel | |||||
| erial | Stainless | ||||
| mat | Cast iron | ||||
| piece | Non-ferrous | ||||
| Work | Superalloys | ||||
| Hard materials (≥40HRC) | |||||
| Page | J134, J139 | J135, J139 | J136 - J137, J139 | J138 - J139 |
*1: UTE & BTU Drill head : ø12.6 mm - ø15.59 mm, External double thread *2: UTE & BTU Drill head : ø15.6 mm -, External quadruple thread *3: Just for reference (Excellent) (Standard)