
DDJNR External Turning Tool Holder
The DDJNR series external turning tool holders are designed for
general external turning applications using DNMG indexable inserts.
The 93° approach angle and rigid D-type top clamping system provide secure insert
retention and a robust setup for CNC and conventional turning operations.
This grouped product includes a range of DDJNR holder sizes, allowing the appropriate
shank size and insert size to be selected to suit different lathes and machining requirements.
Key Features
- Holder style: DDJNR external turning holder
- Approach angle: 93°
- Insert type: DNMG
- Clamping system: D-type top clamp
- Application: External turning and profiling
- Multiple sizes available: Suitable for a range of machine and tooling setups
Available Models
| Model | Shank Size | Insert Size |
|---|---|---|
| DDJNR1616H11 | 16 × 16 mm | DNMG 11 |
| DDJNR2020K11 | 20 × 20 mm | DNMG 11 |
| DDJNR2020K15 | 20 × 20 mm | DNMG 15 |
| DDJNR2525M11 | 25 × 25 mm | DNMG 11 |
| DDJNR2525M15 | 25 × 25 mm | DNMG 15 |
| DDJNR3225P11 | 32 × 25 mm | DNMG 11 |
| DDJNR3232P15 | 32 × 32 mm | DNMG 15 |
Insert Compatibility
DDJNR holders use DNMG double-sided negative turning inserts.
Select the correct insert size to match the holder:
- DDJNR…11 holders: DNMG 11 series inserts
- DDJNR…15 holders: DNMG 15 series inserts
DNMG inserts are available in different grades and chipbreakers for machining
steel, stainless steel and other materials.
Applications
- General external turning
- Longitudinal turning
- Profiling
- Medium and general-purpose turning operations
- CNC lathes and conventional lathes
Selecting the Correct Holder
When selecting a DDJNR holder, confirm the machine tool-post or turret capacity,
required shank size and compatible DNMG insert size.
For assistance selecting a suitable holder and insert combination,
contact MachineryPLUS.





















