1.Spindle conicity Standard :ISO MAS 403 BT.
2.Torqure overload protection protects screw blank from fracture .
3.Have floating ,quick change and torque protection functions
4.Used on lathes ,borers and private plane machines and so on.
5.Taper collet should order separately.
6.Tapping range:M3-M12 Please click here
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