Pre-drill/centering drill for countersinks

With these pre-drills for countersinks of the German brand Famag you can drill and countersink in one step. The pre-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