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Stepped drill bit, short, type N, HSSE fine quality grade
For 90° countersunk screws
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Application
For through holes in accordance with DIN/ISO 273 and countersinking in accordance with DIN 74 for countersunk screws in accordance with ISO 2009-2010 and DIN 963-964. Sturdy short design in particular for using in NC machines and automatic machines.
Execution
- profile-ground
Advantage
- precise alignment of drill diameter and countersink diameter, lower process costs
- Special geometry for outstanding centring and positional accuracy
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