1. DUAL PURPOSE: You can attach the collet chuck to a backing plate of your choice for use on a lathe or as a fixture on a mill.
2. CARBON STEEL MATERIAL: The collet chuck is made of durable carbon steel with strong oxidation resistance and high hardness.
3. ACCURACY: The accuracy of the collet chuck is as high as 0.005, which ensures that it can work with and high stability.
4. MAIN APPLICATION: The collet chuck is mainly suitable for CNC milling machine, turning tool, engraving machine, milling machine, etc.
5. EASY INSTALLATION: No complicated installation steps are required, you simply assemble the collet into the chuck nut before inserting the collet chuck.

Specification:
Item Type: Collet Chuck
Material: Carbon steel
Model: ER40 D100
Diameter: Approx. 100mm / 3.9in
Accuracy: 0.005

Packing list:
1 x Collet Chuck

Note:
The collet must be assembled into the collet chuck nut before inserting the collet chuck