Description

Countersinks and deburring countersinks with uneven pitch, 90° Design: With radial relief grinding, uneven pitch and straight flutes. Also provided with cutting and clearance angles for the most common materials. Application: The strong uneven pitch allows a particularly smooth run when sinking, the surface is thereby cleaner and the cutting load is reduced to a minimum. Suitable for countersinking and deburring work for countersunk screws DIN 963, DIN 964, DIN 965, and DIN 966 in one step.

Specifications

Nenn-Ø	12,4 mm
Gesamtlänge	56 mm
kleinster Ø	2,8 mm
Stähle bis 700 N/mm²	40
Stähle bis 1000 N/mm²	30
Stähle bis 1400 N/mm²	12
Schaft-Ø	8 mm
Beschichtung	ZrN

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