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    Collet Identification Guide: How to Distinguish Collet Model and Size


    Collet Identification Guide: How to Distinguish Collet Model and Size

    For the CNC tooling clamp systems collets, as different countries have different standards, there are ER collets, TG collets, SYOZ / EOC /RDO collets, DA collets, SK collets, C straight collets, K collets, etc. Some of these model collets look alike, it makes the users confused when replace the old collets.
    Now RicoCNC shows you the collet identification guide:
    ER, TG, SYOZ, and DA collets all have unique measurements. Even if the markings have been worn off, by noting the shape and carefully measuring your collets you can determine what types and sizes of collets you have. Measure the length (L) and depth (D) of the collet. Then use the guide below for selecting replacement collets.
    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″


    RicoCNC has all these ER collets, TG collets, EOC, SYOZ, RDO collets, DA collets, SK collets, C collets in stock for fast shipment.

    If any questsions or needs for
    cnc spare parts, cnc tooling systems, welcome to contact us.

    er32 metric and British size collets
    CNC collets and chuck systems