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Ultra Precision ER32 Coolant Sealing Collets

  • ER32-3;ER32-4

  • chongde


Ultra Precision ER32 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
ER32C 3≤d<8 0.1 32 33 40 7.16 16
8~20 0.5 20

Clamping Range

Order No. Type Range Order No. Model No.
CD010203.32030 ER32C-3 3-2.9 CD010203.32039 ER32C-5/32
CD010203.32040 ER32C-4 4-3.9 CD010203.32048 ER32C-3/16
CD010203.32050 ER32C-5 5-4.9 CD010203.32056 ER32C-7/32
CD010203.32060 ER32C-6 6-5.9 CD010203.32064 ER32C-1/4
CD010203.32070 ER32C-7 7-6.9 CD010203.32071 ER32C-9/32
CD010203.32080 ER32C-8 8-7.5 CD010203.32079 ER32C-5/16
CD010203.32085 ER32C-8.5 8.5-8 CD010203.32087 ER32C-11/32
CD010203.32090 ER32C-9 9-8.5 CD010203.32095 ER32C-3/8
CD010203.32095 ER32C-9.5 9.5-9 CD010203.32103 ER32C-13/32
CD010203.32100 ER32C-10 10-9.5 CD010203.320111 ER32C-7/16
CD010203.32105 ER32C-10.5 10.5-10 CD010203.320119 ER32C-15/32
CD010203.32110 ER32C-11 11-10.5 CD010203.320127 ER32C-1/2
CD010203.32115 ER32C-11.5 11.5-11 CD010203.320135 ER32C-17/32
CD010203.32120 ER32C-12 12-11.5 CD010203.320143 ER32C-9/16
CD010203.32125 ER32C-12.5 12.5-12 CD010203.320151 ER32C-19/32
CD010203.32130 ER32C-13 13-12.5 CD010203.320159 ER32C-5/8
CD010203.32135 ER32C-13.5 13.5-13 CD010203.320167 ER32C-21/32
CD010203.32140 ER32C-14 14-13.5 CD010203.320175 ER32C-11/16
CD010203.32145 ER32C-14.5 14.5-14 CD010203.320183 ER32C-23/32
CD010203.32150 ER32C-15 15-14.5 CD010203.320191 ER32C-3/4
CD010203.32155 ER32C-15.5 15.5-15 CD010203.320198 ER32C-25/32
CD010203.32160 ER32C-16 16-15.5

CD010203.32165 ER32C-16.5 16.5-16

CD010203.32170 ER32C-17 17-16.5

CD010203.32175 ER32C-17.5 17.5-17

CD010203.32180 ER32C-18 18-17.5

CD010203.32185 ER32C-18.5 18.5-18

CD010203.32190 ER32C-19 19-18.5

CD010203.32195 ER32C-19.5 19.5-19

CD010203.32200 ER32C-20 20-19.5

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