OLICNC GT12 TC312 Quick change tapping chuck with overload protection function

GT12 TC312 Quick change tapping chuck with overload protection function Model :  GT12 GT24 GT42  (ISO, JIS, DIN standard for your choice) Material: 40Cr tap collet Features: with Torque overload protection, High precision, High sensitivity, Long life Sizes : GT12, GT24,GT42  (TC312 , TC820 ,TC1433 also available )