High Precision ER Sealed Collet 

The standard ER / C Watertight collet (internal cooling type),Precision collet  is the most widely used clamping tool in the world.ER Sealed Collet Made from Alloy spring steel and fully hardened,the ER Sealed Collet are ideal for many machining applications including boring, milling tool holder, reaming, tapping and grinding. 1. ER Sealed Collet Material: SUJ2; 42CrMo; 2. ER Sealed Collet Hardness: 46-50HRC; 3. Spring Collet The use of groove differences, to achieve the surrounding water, only the center of the water function; 4 can withstand water pressure 7Mpa; 5. ER Sealed Collet 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. ER Sealed Collet Provide two kinds of appearance: light decoration or coating treatment;