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Tool Holders / T-System External Turning Toolholders
TDNNN
8 sizes available · 6 specification fields · standard: ISO
TDNNN is an external turning tool holder that takes negative 55° rhombic (D-type) inserts. It is listed here in 8 sizes, 16–50 × 16–50 mm shank, each with full specifications and a dimensioned drawing. Typical use: external turning, facing and profiling.
Insert compatibility
This family is built for the following insert designations (as listed in the catalogue data). The exact size in each row of the table below is in the Insert designation column.
- DNM. 1104..
- DNM. 1506..
Specifications
| Product code | Insert designation | Functional length (mm) | Functional width (mm) | Functional height (mm) | Shank width (mm) |
|---|---|---|---|---|---|
| TDNNN 1616 H11 | DNM. 1104.. | 100 | 8 | 16 | 16 |
| TDNNN 2020 K11 | DNM. 1104.. | 125 | 10 | 20 | 20 |
| TDNNN 2525 M11 | DNM. 1104.. | 150 | 15.5 | 25 | 25 |
| TDNNN 2020 K15 | DNM. 1506.. | 125 | 10 | 20 | 20 |
| TDNNN 2525 M15 | DNM. 1506.. | 150 | 15.5 | 25 | 25 |
| TDNNN 3232 P15 | DNM. 1506.. | 170 | 16 | 32 | 32 |
| TDNNN 4040 S15 | DNM. 1506.. | 250 | 20 | 40 | 40 |
| TDNNN 5050 S15 | DNM. 1506.. | 250 | 25 | 50 | 50 |
Column codes
- Insert Code — Insert designation
- LF — Functional length (mm)
- WF — Functional width (mm)
- HF=H — Functional height (mm)
- B — Shank width (mm)
Dimensions in millimetres unless noted. Values are the manufacturer's published figures.
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