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90° conical countersink, HSS, for fine thread core hole
for universal use up to 1000 N/mm²
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Application
For producing 90° counterbores of fine quality grade for thread core holes in accordance with DIN 74-1.
Execution
- profile-ground with spiral blade
Advantage
- spiral chip flutes ensure smooth cutting and the blade does not catch
Select RAL-colour code
!! NOTE: On-screen visualisation of the colour differs from real colour shade!!