Compact replacement collet chuck for CNC milling machine, ER40 lathe, 80mm diameter

Features:1. FOR LATHE AND MILLING MACHINE: The collet chuck can be mounted on the backplate of your choice for use on a lathe; it is also suitable as a chuck on a milling machine.
2. DURABLE CARBON STEEL: Made from excellent carbon steel, it has strong antioxidant capacity and high hardness.
3. FOR CNC ENGRAVING: The collet chuck is suitable for CNC milling machine turning tool engraving machines; it is not easy to slip and is very stable.
4. Quality Guaranteed: Manufactured to standard production standards, ensuring your products are processed better, more efficiently, and more durably.
5. GOOD CLAMPING FORCE: The collet chuck has a stable structure, excellent performance, and a long service life; you can use it with confidence.
Specifications:Item Type: Collet Chuck
Model: ER40 (7 holes)
Size: Diameter: approx.80 mm / 3.15 inches
Accuracy: 0.005
Material: Carbon Steel

Package List:1 x Collet Chuck
Note:Before inserting the collet, it must be assembled into the chuck nut.