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ATTC-TDUNR/L
4 sizes available · 7 specification fields · standard: ISO
ATTC-TDUNR/L is an anti-vibration (damped) boring bar that takes negative 55° rhombic (D-type) inserts. It is listed here in 4 sizes, Ø32–40 mm shank, right- and left-hand versions, each with full specifications and a dimensioned drawing. Typical use: deep bores where tool overhang would otherwise cause chatter.
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 | Cutting direction (hand) | Connection diameter (mm) | Functional length (mm) | Functional width (mm) | Minimum working diameter (mm) |
|---|---|---|---|---|---|---|
| ATTC-A32 TDUNL 11 | DNM. 1104.. | L | 32 | 32 | 22 | 40 |
| ATTC-A32 TDUNR 11 | DNM. 1104.. | R | 32 | 32 | 22 | 40 |
| ATTC-A40 TDUNL 15 | DNM. 1506.. | L | 40 | 38 | 27 | 50 |
| ATTC-A40 TDUNR 15 | DNM. 1506.. | R | 40 | 38 | 27 | 50 |
Column codes
- Insert Code — Insert designation
- Product Direction — Cutting direction (hand)
- DCON — Connection diameter (mm)
- LF — Functional length (mm)
- WF — Functional width (mm)
- D min — Minimum working diameter (mm)
Dimensions in millimetres unless noted. Values are the manufacturer's published figures.
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