The following schematic diagrams and product pictures are only for reference.

If you have any questions, please contact us.

 Runout tolerance within 8 micron (0.00031") at 4×d position

  Designed for use with cylindrical shank tools, not flats

 The full length of the cutting tool should be placed in the collet

 Made from 65Mn Alloy spring steel , vacuum annealing and hardened to HRC 42-45

 This ER40 collet has a range of 25/32" - 13/16" (0.773" - 0.812")

 Works in all ER40 Collet Chucks

 Installation Instruction   

1. Put the collet into the nut and gently rotate the nut, then the eccentric part of the nut is in the grooves, and the package is pushed evenly along the arrow, and it can beloaded into the nut

2. Install the collet and the nut on the shank or machine tool shaft together, wipe the tool cylinder handle into the clamping hole, and tighten the nut evenly with the wrench, until the tool clamp can be used. (Note: install tools before fasten the nut so as not to damage the collet)

3. When changing the tools, release the nut and collet with the wrench, unload the tools, push the collet along the arrow direction, make it quit, and then change the other collet you needed