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Ultra Precision ER16 Coolant Sealing Collets

  • ER16C-3;ER16C-4

  • chongde


Ultra Precision ER16 Coolant Sealing Collets

Chongde ER Coolant Collets uses the difference of grooves to achieve the function of surrounding sealing and center thru coolant. ER thru coolant collets made to be used with thru-coolant tools. It allow greater water pressure through the collet. The maximum water pressure can be 30Mpa. The gripping range of spring collet is 1mm or 0.040”, commonly used in tool holding. The Non-standard hole size can be customized.


1. Material: JIS-SUJ2

2. Hardness: 46-50HRC;

3. All collets are precision ground for less than 0.0002" (0.005mm )of indicated runout;

4. The maximum water pressure can be 30Mpa;

5. Commonly used with thru-coolant tools in tool holding.

Our advantages

1. Integrated precision : 3μ/5μ;

2. Imported material: JIS-SUJ2

3. Hardness: 46-50HRC

4. Clean appearance and accuracy stable

5. -196℃ long cryogenic treatment and ultra long time thermal aging processing, reducing residual stresses and increasing the hardness and toughness.

Product Drawing and Size


D D1 L L1
Model No. Range Slot
ER16C 3≤d<6 0.1 16 17 27.5 6.26 16
6~10 0.5 20

Clamping Range

Order No. Type Range Order No. Model No.
CD010203.16030 ER16C-3 3-2.9 CD010203.16032 ER16C-1/8
CD010203.16040 ER16C-4 4-3.9 CD010203.16036 ER16C-9/64
CD010203.16045 ER16C-4.5 4.5-4.4 CD010203.16039 ER16C-5/32
CD010203.16050 ER16C-5 5-4.9 CD010203.16044 ER16C-11/64
CD010203.16055 ER16C-5.5 5.5-5.4 CD010203.16048 ER16C-3/16
CD010203.16060 ER16C-6 6-5.5 CD010203.16052 ER16C-13/64
CD010203.16065 ER16C-6.5 6.5-6 CD010203.16056 ER16C-7/32
CD010203.16070 ER16C-7 7-6.5 CD010203.16059 ER16C-15/64
CD010203.16075 ER16C-7.5 7.5-7 CD010203.16064 ER16C-1/4
CD010203.16080 ER16C-8 8-7.5 CD010203.16067 ER16C-17/64
CD010203.16085 ER16C-8.5 8.5-8 CD010203.16071 ER16C-9/32
CD010203.16090 ER16C-9 9-8.5 CD010203.16075 ER16C-19/64
CD010203.16095 ER16C-9.5 9.5-9 CD010203.16079 ER16C-5/16
CD010203.16100 ER16C-10 10-9.5 CD010203.16083 ER16C-21/64

CD010203.16087 ER16C-11/32

CD010203.16091 ER16C-23/64

CD010203.16095 ER16C-3/8

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