ER and OZ Collets, Collet Nuts, & Wrenches
All collets are manufactered with a spring temper clamping-action. Repeated flexing and thermal fatigue naturally limit the useful life of any quality collet to an estimated 700 to 1000 hours of use.
Optional Ultra Precision Collets
Ultra Precision collets have an assembled accuracy within 6 microns T.I.R.
- BENEFIT
- Smoother Cuts
- Longer Tool Life
Bearing Collet Nuts
Reduced friction from bearing provides higher clamping torque with no collet distortion
- BENEFIT
- Improved Accuracy for Smoother Cuts
- Extends Tool Life
- Suitable for Diamond Tooling
| Taper Size | Available Shank Diameters (in.) | Mini Nut | Standard Nut | Bearing Nut | |||
|---|---|---|---|---|---|---|---|
| Nut P/N ColletNut() |
Wrench P/N ColletWch() |
Nut P/N ColletNut() |
Wrench P/N ColletWch() |
Nut P/N ColletNut() |
Wrench P/N Spanner() |
||
| ER11 | 1/16 - 1/4 | 11MR | 11M | N/A | N/A | N/A | N/A |
| ER16 | 1/16 - 3/8 | 16MR | 16M | N/A | N/A | 16Brg | 638832 |
| ER20 | 1/16 - 1/2 | 20MR | 20M | 20ER | 20E | 20Brg | 638835 |
| ER25 | 1/16 - 5/8 | 25MR | 25M | 25ER | 20E | 25Brg | 638843 |
| ER32 | 1/16 - 3/4 | N/A | N/A | 32ER | 32E | 32Brg | 638850 |
| ER40 | 1/8- 1 | N/A | N/A | 40ER | 40E | 40Brg | 638860 |
| OZ20 | 1/8 - 3/4 | N/A | N/A | OZ20 | OZ20 | OZ20Brg | 638850 |
| OZ25 | 1/8 - 1 | N/A | N/A | OZ25 | OZ25 | OZ25Brg | 638860 |
*Special collets and metric shank sizes are available upon request.
