CoroThread® 254 is your first choice for demanding external and internal grooving operations. The slotted insert sits rigidly on the T-rails in the pocket eliminating any insert movement caused by the cutting force variations.
Benefits
- High indexing repeatability
- Stable solution with low risk of vibrations
- Cost efficient solution with three cutting edges
- Easy clamping of new inserts due to the iLock interface
Features
- External and internal grooves
- Sharp cutting edges for high quality grooves
- Insert is easy to identify – groove width is imprinted on the insert
- Same tool holder for many insert widths
Application
- Grooving in low to medium feeds
ISO application area







Recommendations
CoroThread 254 is ideal for internal and external grooves with 1.10-4.15 mm (0.043-0.163 inch) widths (standardized circlip grooves).
GC1135 is a versatile grade with sharp edges and positive geometry for low cutting forces.
Tool holding
CoroThread 254 is available with the following tool holding systems:
- Coromant Capto
- Cylindrical shank
- Rectangular shank
- SL heads, modular system with a large variety of combinations
- Silent Tools boring bars
- Interchangeable with CoroThread 266 tool holders. For correct cutting edge height, a 0° shim must be used
Success stories
Success stories Subcontractor case: New generation Silent Tools turning adaptor Component: Generic... chevron_right
Success stories
Performance test: Titanium Material: S4.2.Z.AN (Ti64Al4V) Operation: Side milling Coolant: Emulsion 76% Total... chevron_right
Success stories
Success stories case1 Customer test on driven unit 20% Productivity 300% Tool... chevron_right
Success stories
Success stories Success stories CoroMill MS60 - Success stories Customer case Component: Stator... chevron_right
