ER - Collet Systems

Part No.	L	L1	L2	L3	D	D1	D2
ER 8	13.5	12.98	1.2	1.5	8.5	8.0	6.5
ER 11	18.0	3.80	2.0	2.5	11.5	11.0	9.5
ER 16	27.5	6.26	2.7	4.01	17.0	16.0	13.8
ER 20	31.5	6.36	2.8	4.8	21.0	20.0	17.4
ER 25	34.0	6.66	3.1	5.0	26.0	25.0	22.0
ER 32	40.0	7.16	3.6	5.5	33.0	32.0	29.2
ER 40	46.0	7.66	4.1	7.0	41.0	40.0	36.2
ER 50	60.0	12.60	5.5	8.5	52.0	50.0	46.0

Method of Insertion & Release of ER Collets

1. Insert collet into nut at angle as shown to engage extraction tonge in groove of collet
2. Screw nut onto collet with collet securely in nut
3. Insert tool to be gripped and lock nut

1. Hold nut in vertical position
2. Press collet side ways as shown by the arrow to release the collet from nut

Clamping range	L	Max T.I.R
1.0 - 1.6	6	0.015
1.6 - 3.0	10
3.0 - 6.0	16
6.0 - 10.0	25
10.0 - 18.0	40	0.020
18.0 - 26.0	50
26.0 - 34.0	60	0.025