Bt30-er Collet Chuck Tool Holder FOR CNC machine

Production Features:

1.ER collet chucks handle a wide range of machining jobs,Simply choose the right size collet for the job, set tool depth, and tighten the collet nut and pull stud to the proper torque using a torque wrench.

2.The pre-balance can reach G6.3 8,000 rpm, Dynamic balanced by Haimer machine G2.5 RPM25,000 is available .

3.Our surface of roughness are maintained to Mirror Finish .

4.ER16 and ER20 are Hex Nut, ER25-ER40 are UM nut .

5.Internal hole tolerance : H5(DIN-1835-B standard)