ER / C Watertight collet (internal cooling type)

1. Material: SUJ2; 42CrMo;

2. Hardness: 46-50HRC;

3. The use of groove differences, to achieve the surrounding water, only the center of the water function;

4 can withstand water pressure 7Mpa;

5. Non-standard hole can be customized;

6.20 slot design to increase the number of elastic groove, shrinkage of 0.5mm, clamping force increases to increase the sealing;

7. Provide two kinds of appearance: light decoration or coating treatment;