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High Precision ER Milling Collets Chuck ER Spring Collet Set

1. Made of special elastic steel material 
2. Power clamping ability,precise accuracy 
3. Used for boring,milling,drilling,tappping,grinding and engraving operation etc.
Availability:
Quantity:
  • ER32

  • JC

High Precision ER Milling Collets Chuck ER Spring Collet Set

ER COLLET

Model d H7 D D1 D2 L L1 L2 L3 Collapsible Capacity
ER8 ≧1.0-5.0 8 8.45 6.5 13.5 2.98 1.5 1.2 0.5
ER11 ≧1.0-7.0 11 11.5 9.5 18.0 3.8 2.5 2.0 0.5
ER16
≧1.0-2.5 16 17 13.8 27.5 6.26 4.0 2.7 0.5
>2.5-10.0 16 17 13.8 27.5 6.26 4.0 2.7 1.0
ER20 ≧1.0-2.5 20 21 17.4

31.5

6.36 4.8 2.8 0.5
>2.5-10.0 20 21 17.4 31.5 6.36 4.8 2.8 1.0
ER25 ≧1.0-2.5 25 26 22.0 34.0 6.66 5.0 3.1 0.5
≧2.50-16.0 25 26 22.0 34.0 6.66 5.0 3.1 1.0
ER32 ≧2.0-2.5 32 33 29.2 40.0 7.16 5.5 3.6

0.5

>2.5-20.0 32 33 29.2 40.0 7.16 5.5 3.6 1.0
ER40 ≧3.0-26.0 40 41 36.2 46.0 7.66 7.0 4.1 1.0
ER50 ≧6.0-10.0 50 52 46.0 60.0 12.6 8.5 5.5 1.0
>10.0-34.0 50 52 46.0 60.0 12.6 8.5 5.5 2.0

Inspection of Accuracy

ER COLLET 1

D L Run Out Tolerance
A B C I II
1.0-1.6 6 0.005
0.008 0.010 0.010 0.015
>1.6-3.0 10
>3.0-6.0 16
>6.0-10.0 25
>10.0-18.0 40 0.015 0.020
>18.0-26.0 50
>26.0-30.0 60
>30.0-34.0 80 0.020 0.030


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Jia Cheng Industrial Technology Co., Ltd. is dedicated to the production of high-precision machine tool accessories such as precision modular vise, precision tool vise, VDI tool holders, CNC tool holders, collets and other high-precision products.

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