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Pre-drill/centering drill for countersinks

vorbohrer fuer zapfensenker

Pre-drill for countersinks

Pre-drill for countersinks to drill and countersink in one step. The pilot drills have a clamping surface for secure clamping in the counterbore. Due to the tungsten carbide tipping and the CNC diamond grinding they also have a very long service life.

AØ: Outside diameter
SØ: Shaft diameter
NL: effective length
GL: Total length