Single-edge back-boring tools
Back boring enable machining of a hole with a shoulder that cannot be reached from the opposite direction. It can also be used to optimize concentricity of a hole with a shoulder since the entire hole is machined from only one position.
Coolant nozzles with high precision capability built into slide for precise coolant direction. Available up to 80 bar (1160 psi).
Modularity with Coromant Capto® and Coromant EH.
CoroBore BR10 is based on the CoroBore BR20 adaptor together with a unique back boring slide and cover. Available as complete back boring assembly kit or separate back boring slide and cover as additional items.
Size | DCN | DCX | CZC | BD1 | Through hole, TH | Insert 90° | Machine coupling |
A | 32 | 38 | 20 | 20 | 27.0 | CC06 | EH20 |
B | 37 | 45 | 25 | 24 | 32.0 | CC06 | EH25 |
C | 44 | 54 | 32 | 30 | 39.0 | CC06 | C3 |
D | 53 | 65 | 40 | 39 | 47.5 | CC06 | C4 |
DX | 64 | 76 | 40 | 39 | 53.0 | CC09 | C4 |
E | 75 | 91 | 50 | 50 | 63.5 | CC12 | C5 |
F | 90 | 110 | 50 | 63 | 77.5 | CC12 | C5 |
G | 109 | 136 | 63 | 82 | 96.5 | CC12 | C6 |
H | 135 | 170 | 63 | 108 | 122.5 | CC12 | C6 |
Available as complete back boring assembly kit or separate back boring slide and cover as additional items
Tool | Solution | Technical features | |||||||||
Differential pitch | CoroBore® 111inserts | High Precision Coolant | Flexible diameter range | Back boring | Laser-marked scale on adaptor | Long overhang | Stepboring | Modular Coromant Capto® | Coromant EH | ||
CoroBore® BR10 | Back boring | ✔ | ✔ | ✔ | ✔ | ||||||
CoroBore® BR20 | Flexible boring tools | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | |
CoroBore® BR20 Silent Tools™ | Boring with long overhang | ✔ | ✔ | ✔ | ✔ | ✔ | ✔* | ✔ | ✔ | ||
CoroBore® BR30 | High metal removal rate (3 cutting edges) | ✔ | ✔ | ✔ | ✔ | ✔ |
*Step boring possible with kappa 90°
CoroBore® BR20 is a twin-edge multi-purpose tool for rough boring. The system consists of adaptors with matching slides, shims and covers, making it possible to adapt the tool to various materials and conditions.
When maximum productivity is in focus, choose the highly productive multi-edge CoroBore® BR30 to achieve the utmost metal removal rate.
The new generation of CoroBore® rough boring tools provides you high-end productivity in all your rough boring operations.
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