Grooving cutter CoroMill® 329 adds speed and feed capability to groove milling thanks to the rigidity of CoroCut® V-rail interface plus the economy of CoroCut® two cutting edges.
Benefits
- Inserts are absolutely securely mounted with Corocut insert clamping
- High productivity due to many inserts in the cutter
- Low cutting forces
Features
- Arbor or Bore with keyway mounting
- Positive geometry
- Insert geometries and grades for all materials apart from ISO H
- Wiper insert for improved surface finish
- Tailor made offer available for inserts
Application
- Groove milling up to 18 mm (0.709 inch)
- Parting off
ISO application area





Recommendations
- First-choice geometry is -CM
- If chip control needs to be further improved, use -TF
- First-choice grade is GC1125, the all-round grooving grade for all materials and general conditions. Its fine-grained carbide with thin PVD coating has proved its performance in all kinds of grooving applications
Good chip control and surface finish due to the wiper design |

The CoroCut V-rail interface gives exceptional stability. Rotational speed can be multiplied with maintained tolerances and surface quality.
Product range
Diameter range, metric: 100–160 mm
Diameter range, inch: 4.000–6.000 inch
Groove width 2.0–5.0 mm (0.079–0.197 inch)
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