Internal Threading Tool Holder - SIL... Left - with cooling holes
Technical data
| Boring Bar | SIL/TIL |
| Insert | 11/16/22 IL |
| Main application | Threading |
| Right/Left | Left |
| Clamping | Screw Clamp |
| Cooling | Without Cooling Holes |
| Packaging Unit | 1 Pc. |
Dimensions
| d | b | L | h | f | L1 | Dmin | Insert | |
| SIL-16 K11-H | 16 | 15,5 | 125 | 15 | 10 | 20,9 | 12 | 11 IL |
| SIL-16 M11-H | 16 | 16 | 150 | 15 | 10,5 | 25,9 | 16 | 11 IL |
| SIL-16 M16-H | 16 | 15,5 | 150 | 15 | 12 | 27 | 20 | 11 IL |
| SIL-20 M16-H | 20 | 19 | 150 | 18 | 14 | 28,7 | 25 | 16 IL |
| SIL-20 Q16-H | 20 | 19 | 180 | 18 | 14 | 34 | 25 | 16 IL |
| SIL-25 M16-H | 25 | 24 | 150 | 23 | 17 | 28,8 | 32 | 16 IL |
| SIL-32 R16-H | 32 | 31 | 200 | 30 | 22 | 30,9 | 40 | 16 IL |
| SIL-32 S16-H | 32 | 31 | 250 | 30 | 22 | 30,9 | 40 | 16 IL |
| SIL-40 T16-H | 40 | 38,5 | 300 | 37 | 27 | 31,5 | 50 | 16 IL |
| SIL-20 Q22-H | 20 | 19 | 180 | 18 | 15 | 35 | 25 | 22 IL |
| SIL-25 R22-H | 25 | 24 | 200 | 23 | 19 | 39 | 32 | 22 IL |
| SIL-32 S22-H | 32 | 31 | 250 | 30 | 22 | 36,4 | 40 | 22 IL |
| SIL-40 T22-H | 40 | 38,5 | 300 | 37 | 27 | 37,2 | 50 | 22 IL |
High-performance internal threading tool holder SIL in left-hand design
The SIL internal threading tool holder is specifically designed for the professional machining of internal threads in left-hand operations. Featuring dedicated cooling channels and a robust screw clamping mechanism, this tool provides excellent conditions for producing exact thread profiles and supports efficient workflows in industrial turning applications.
Advantages of the internal threading tool holder SIL
- Targeted chip evacuation and improved temperature control through internal cooling holes
- Secure insert seating ensured by a proven screw clamping system
- Opens up versatile applications for various thread pitches due to compatibility with 11/16/22 IL indexable inserts
- Convinces with a durable construction tailored for continuous professional use


