Clamping nuts

CONCENTRIC

COLLET INSERTING - 
1- Insert the collet into the collet nut, making sure that the collet groove (A) is engaged with the eccentric ring extractor (B).
2- Only then mount collet and collet nut into the holder
3- Never lock the nut without a tool in the collet.
4- Mount tool and lock with appropriate spanner.

COLLET REMOVING
5- Push on the back of the collet until it disengages from the
clamping nut.

WARNING - 
ERC COLLETS MUST BE CONNECTED INTO COLLET NUT
BEFORE INSERTIN G TOOL OR ASSEMBLING ONT O CHUCK.
A wrong assembly may severely damage the collet and the
clamping nut