Karnasch Premium tap drill bits
Counterboring with Karnasch tap drill bits to remove jammed taps saves time and money!
Your tap has broken off and is stuck in the drill hole? In this case, use our solid carbide tap drill bits to remove jammed taps.
Karnasch tap drill bits are made for steel <65 HRC and threads from M3 to M12. They are available in drill depths from 10 mm to 35 mm.
Approximately 1 to 5 threads can be drilled out with one drill. Due to the cylindrical hexagon shank, the tap drill bits can not only be used on NC machines, but it can also be clamped in normal three- or four-jaw chucks. When used correctly, all materials, including copper, aluminum and hardened materials, will not damage the core hole.