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ATORN Conical countersink 90°, HSSE, three flutes, very uneven pitch
For universal use up to 1300 N/mm²
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Application
For producing 90° countersinks up to 1300 N/mm²
Execution
- Profile-ground triple-edge countersink with radial relief, with extremely uneven pitch
- With Morse taper shank
Advantage
- Radial relief ensures optimum chip breaking
- Uneven pitch ensures excellent surfaces without chatter marks and minimisation of cutting forces
Notes
The grooves are milled from a diameter of 37
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