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Collets identification guide: how to distinguish the collet model and size

For CNC tool clamping systems collets, as different countries have different standards, there are ER collets, collets TG, collets SYOZ / EOC / RDO, collets DA, collets SK, collets C type, collets K type, etc. Some of these collets model look alike, so makes users confused when they replaced the old collets. RicoCNC now shows you the collet identification guide:

Collets ER, TG, SYOZ/EOC/RDO, DA, SK are all unique measures. Even if brands have worn away, noted the shape and carefully measure your collets, you can determine what types and sizes of collets it is. Measure the length (L) and depth (D) collets. Then use the guide below to select the right collets replacement.

collets identification guide

ER Collets

L

D

ER 8

13mm (0.51”)

8.5mm (0.33″)

ER 11

18mm (0.708″)

11.5mm (0.45″)

ER 16

27.5mm (1.08″)

17mm (0.67″)

ER 20

31.5mm (1.24″)

21mm (0.83″)

ER 25

34mm (1.34″)

26mm (1.02″)

ER 32

40mm (1.57″)

33mm (1.3″)

ER 40

46mm (1.81″)

41mm (1.61″)

ER 50

60mm (2.36″)

52mm (2.05″)


TG Collets

L

A

TG 75

47mm (1.85″)

27mm (1.06″)

TG 100

60mm (2.36″)

35mm (1.38″)

TG 150

76mm (3″)

51mm (2″)


SYOZ / EOC Collets

L

D

EOC 8

26mm (1.026”)

14.4mm (0.567″)

SYOZ 20

34mm (1.34″)

20mm (0.78″)

RDO 20

34mm (1.34″)

20mm (0.78″)

407E

34mm (1.34″)

20mm (0.78″)

EOC 12

34mm (1.34″)

20mm (0.78″)

SYOZ 25

52mm (2.06″)

35mm (1.38″)

RDO 35

52mm (2.06″)

35mm (1.38″)

462E / SYOZ 25

52mm (2.06″)

35mm (1.38″)

EOC 32

60mm (2.36″)

43.7mm (1.72″)


DA Collets

L

A

DA 180

1.625″

1.035″

DA 100

1.438″

0.769″

DA 200

1.188″

0.531″

DA 300

1.000″

0.375″


If any needs of cnc spare parts, cnc toolings, or cnc machines, welcome to contact RicoCNC.


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Contact: RicoCNC

Phone: 0086-13390848665

Tel: 0086-51268235075

Email: cncsale@ricocnc.com

Add: NO. 60, Weixin Road, Industrial Park, Suzhou, Jiangsu, China, 215000

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