کولت ضربه ای JIS ISO DIN Tc312 Gt12 M8 با کلاچ اضافه بار

1.Function of over-loading
2.High force and clamping
3.Capacity: M3-M42 tapping collets
4.Good clamping strength
5.Long lifetime
6.Precise accuracy
7.Safety quick change.
8.Torque type wire tapping chuck,can prevent broken in the tapping