Brief introduction
Power type MLC milling collet chuck set, also known as spring collet, is mounted on a drill \ milling machine, drilling and milling chuck, its function is to clamp drill cutter or knife. Er flexible collet is currently the most used. Its stable performance, high accuracy by the majority of manufacturers trust. All products are precision grinding.
Specification
1 .Material: 65Mn alloy spring steel
2.modle No.:C20,C25,C32
2. Hardness: HRC44-48 
3. Progress steps 1mm or 1/64" 
4. Are 6 ditch way in front and back
5. Sincerely service
Strong type CNC Milling chucks for super heavy cutting use, 
High gripping force.