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ER Collet Nuts - Type T2

ER Collet Nuts - Type T2

Code Size D L Thread
050-110-25560 ER25 42mm 20mm M32x1.5
050-110-32520 ER32 50mm 22.5mm M40x1.5
050-110-40590 ER40 63mm 25.5mm M50x1.5

Mounting ER Collets

Inspecting the inside of an ER collet nut reveals an internal flange that has been machined eccentric to the main axis of the nut. This is not a machining error but is designed that way to lock onto the groove of the collet and aid its release from the chuck body.

For this feature to work properly, the collet must be mounted in the nut first before fitting the assembly into the chuck body. To mount the collet in the nut, insert it on an angle, turn slightly and push it into the nut until it clicks into place on the eccentric flange. The cutter may now be fitted and the assembly tightened hard into the chuck body.

Fitting and releasing an ER collet

To remove the cutter, slacken and undo the nut until resistance is felt. Then, using a collet wrench, further undo the nut until the collet is released from the chuck body.

Removal of the collet from the nut is the reverse of the mounting procedure.

050-110-25560 ER25 Collet Nut - Type T2 - M32x1.5 Thread £5.34 Excl.VAT
£6.41 Inc.VAT
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050-110-32520 ER32 Collet Nut Type T2 - M40x1.5 Thread £5.91 Excl.VAT
£7.09 Inc.VAT
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050-110-40590 ER40 Collet Nut - Type T2 - M50x1.5 Thread £5.78 Excl.VAT
£6.94 Inc.VAT
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