Collet Block, ER-40 Square
![Collet Block, ER-40 Square](/images/products/480/5914.480.jpg)
- Uses standard ER-40 collets
- Through hole permits long parts to be machined
- Hardened Tool Steel, Ground to .0005" on all 4 Sides
- Accurately ground back face so the blocks may be used standing upright
- Includes ER-40 collet nut
This collet block provides easy indexing for 2 and 4 divisions.
The collet block is 1.75" square and the body is 3.2" long.
![Chris](/images/chris.gif)
![](/images/products/250/ER_Insert_Collet.250.jpg)
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