Properties and application:
- ER40 collet chuck for mounting tools with a cylindrical shank, mainly for end mills
- Stamped on the collar for quick recognition
- Taper shank DIN 69871 with a drawbar thread
- Used in lathes and CNC machines
- Works on all CAT40 machines
- Very durable toolholder for high machine speeds
- Specially designed collar enables automatic tool change in CNC
- Retention knobs have to be used with the toolholder for automatic change to be possible
- You can easily tighten and unscrew the nut using a special wrench
- You can use a tool tightening fixture to conveniently mount the tool in the collect chuck
Specifications:

Parameter | Value | Unit |
K (DIN69871) |
DIN40 |
|
Collet |
ER40 |
|
D |
63 |
mm |
D1 |
44,45 |
mm |
L1 |
80 |
mm |
Weight
|
1,45 |
kg |
Read more about DIN69871 shank
Read more about collets
How to install ER collets:
DM_400_ER40_DIN40
Data sheet
- Shank size
- DIN 40 (DIN69871)
- Collet chuck style
- Standard
- Collet series
- ER40