A problem solver for holes below 24 mm (0.945 inch) diameter. This complementary tool is optimized for unstable conditions, providing increased process security and stability for smaller hole diameters.
Benefits
- Excellent choice for unstable conditions
- Robust drill-body concept and insert design
- Good choice for non-rotating applications
- Easy to use
Features
- Strong insert design for improved reliability in unstable conditions
- Reliable alternative for applications below 24 mm (0.945 inches)
- Ideal design for non-rotating applications
- Two cutting edges per insert
- One all-round geometry for all material groups
- Shot-peened drill body for better fatigue resistance
- Large radial adjustment range
- Back boring and chamfering possibilities
Application
- Diameter range: 14-23.50 mm (0.562-0.937 inch)
- Low to medium feed applications
- Unstable conditions requiring strong, robust inserts
- Non-rotating applications
ISO application area
Product range
Drill bodies
| Coupling type | Drill dimension | Drill length |
| Cylindrical ISO 9766, 20 mm | 14.00-17.00 (mm) | 2-5 x D |
| Cylindrical ISO 9766, 25 mm | 17.50-23.50 (mm) | 2-5 x D |
| Cylindrical ISO 9766, 0.75 inch | 0.562-0.656 (inch) | 2-5 x D |
| Cylindrical ISO 9766, 1 inch | 0.687-0.937 (inch) | 2-5 x D |
| Cylindrical US (P shank) 0.75 inch | 0.562-0.656 (inch) | 2-5 x D |
| Cylindrical US (P shank) 1 inch | 0.687-0.937 (inch) | 2-5 x D |
| Coromant Capto C4, C5, C6 | 14.00-23.00 (mm) | 2-5 x D |
Inserts
| Drill dimension, mm (inch) | Insert size | Geometry | Central insert grade | Peripheral insert grade |
| 14.00-17.00 (0.562-0.656) | 2 | GM1 | GC1044, GC1144 | GC1044, GC1144 |
| 17.50-20.50 (0.687-0.812) | 3 | GM1 | GC1044, GC1144 | GC2044, GC4044, GC4024 |
| 21.00-23.50 (0.875-0.937) | 4 | GM1 | GC1044, GC1144 | GC2044, GC4044, GC4024 |
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