Mandrel Bar

Syncro Soft Tapping Chuck compensates the error between spindle & feed on threading tools like cutting or rolling taps.
High concentricity of holder improves tool life.
Positive clamping through ER collet system & positive drive with the help of tap driver insertion.
No special tool holding collets (Like collets with square)
Chuck body internal taper, clamping nut & collet are protected from rotation in operation.
With the insertion of tap driver can be used to the full extent of chuck capacity.
ER 40 nut max. clamping torque for is 141Nm. Means M22 78" UNC tapping (Max tapping torque 80% breakage value) with tap driver in the same chuck M30 tapping 1 - 18" UNC is possible.