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Q: Do we need to add a water-coolant device? What should we do?
A:
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 Saws.
 
 
Q: When it becomes difficult to cut, what can we do?
A:

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/

 
 
Q: How to fasten the shank of HC Type?
A:
For one-touch shank
1. Firstly, there are 3 grooves on the shank and one beads-hole.
2. Secondly, there is a shorter line on the machine pipe. 
3. Finally, plug the beads-hole aspect into the machine pipe with the short line.
 
 
Q: How to fasten the shank of HC Type?
A:
For Weldon shank
1. Firstly, please find the flat surface to plug the hole cutter into the machine. 
2. And then, lock the screw tightly.
 
 
         
   
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