Tapping collets (collet for taps) DIN 6499 mwith square drive

Tapping collets ER mwith square drive, without tightening thread, hardened and ground. In accordance with ISO 15488 A (previouslym. DIN 6499), single-slotted. Ideal form torsion-proof clamping of taps or cutting tools without length compensation. With the tapping pliers, only clamping of the nominalmaß mis possible.