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Subland stepped drill bit type N HSS, medium quality grade
For 90° countersunk screws
Products
Application
For through holes in accordance with DIN EN 20273 and 90° countersunk screw heads, form A and B, in accordance with DIN 74. For screws in accordance with DIN 963 and 964.
Execution
- Drill and countersink step with independent chip grooves and drill heels; regrinding does not affect the profile
Advantage
- precise alignment of drill diameter and countersink diameter, lower process costs
- universal use, therefore tool costs are reduced to a minimum and user flexibility is increased
Select RAL-colour code
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