Tool holder with Axial Floating

ERtappingfor CNC machines

1 Collet are to be purchased separately.　 2 Wrench are to be purchased separately. 3 ECH7 has 5.5 square hole and ECH10 has 6.5 square hole. 4 ECT13 and ECT16 grip tap square shank as shown on Fig.2. 5 When you use tap of PF type and PT type, please use long type tap. 6 The shape of ECH7 is short nose type. (It does not have a stopper to a sleeve.) 7 The tap holder cannot use the inner coolant. 8 When using a small diameter tap, the float force of the shaft may be weak.