Wholesale CNC Milling Machine Tools Gt12 Tapping Collets Chucks Set

1.tapping collets with safety quick change

2.protect tapping drilling

3.quick change collet tapping chuck

4. Tapping collets with Overloading Function

5.Sizes GT12 GT24 GT42 , TC312, TC820 ，TC1433 also available

Standard JIS ,ISO ,DIN