Q.Do we need to add a water-coolant device? What should we do?

To increase the working performance, a water-coolant device is necessary. Most of TCT Annular Cutters and HSS Annular Cutters need the water-coolant device; however, there is an exception for Hole Cutters.

Q.When it becomes difficult to cut, what can we do?

When the material is too hard to cut , please use the products contain Cobalt or use T.C.T. Annular cutter products.
Cobalt  products : SHCO M35 (TiN / TiAiN) / SHCO M42 (TiN / TiAiN) series. 
T.C.T. products : HC / HCD / HCL / HCR / HCB

Q.How to fasten the shank of HC Type?

For one-touch shank :

  • Firstly, there are 3 grooves on the shank and one beads-hole.
  • Secondly, there is a shorter line on the machine pipe.
  • Finally, plug the beads-hole aspect into the machine pipe with the short line.


For Weldon shank :

  • Firstly, please find the flat surface to plug the hole cutter into the machine.
  • And then, lock the screw tightly. 

Q.How to put in Hole Cutter correctly?

  • Firstly, as you can see from the top of the shank, there are three flat surfaces. Choose any flat surface and put in the hole clip.
  • Secondly, make sure if it is firm. If it shakes, please adjust to the right position.