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Dezhou Zhongyi Industry And Commerce Co.,Ltd.
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ER COLLET

1.made of special elastic steel material
2.power clamping ability,precision accuracy
3.used for boring,milling,drilling,tapping and engraving operation ect.



Model No.

    d H7

D

D1

D2

L

L1

   L2

L3   

       CollapsibleCapacity

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

> 2.5-13.0

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

>2.5-16.0

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

1.2




Normanlly we supply the ER Collet with II grade runout.

If you require high runout such as 0.01,0.008,0.007,0.005mm, we also can supply.



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