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Ultra Precision ER11 Coolant Sealing Collets

  • ER11C-3;ER11C-4

  • chongde


Ultra Precision ER11 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
ER11C 3~7 0.1 11 11.5 18 3.8 16

Clamping Range

Order No. Type Range Order No. Model No.
CD010203.11030 ER11C-3 3-2.9 CD010203.11032 ER11C-1/8
CD010203.11040 ER11C-4 4-3.9 CD010203.11036 ER11C-9/64
CD010203.11045 ER11C-4.5 4.5-4.4 CD010203.11039 ER11C-5/32
CD010203.11050 ER11C-5 5-4.9 CD010203.11044 ER11C-11/64
CD010203.11055 ER11C-5.5 5.5-5.4 CD010203.11048 ER11C-3/16
CD010203.11060 ER11C-6 6-5.9 CD010203.11052 ER11C-13/64
CD010203.11065 ER11C-6.5 6.5-6.4 CD010203.11056 ER11C-7/32
CD010203.11070 ER11C-7 7-6.9 CD010203.11059 ER11C-15/64

CD010203.11064 ER11C-1/4

CD010203.11067 ER11C-17/64

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