Collet Type Collet Type |
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| ER-11 | |
System of Measurement System of Measurement |
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Grip Range Grip Range |
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For Holding For Holding |
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Overall Length Overall Length |
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Maximum Body Diameter Maximum Body Diameter |
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Face Type Face Type |
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![]() | Round |
For Use With For Use With |
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Material Material |
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Approximate Diameter Compression Approximate DiameterCompression |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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ER-11 Collets

Install into an ER-11 collet chuck or holder to tightly grip round-shank tool bits in milling machines.
For technical drawings and 3-D models, click on a part number.
| Size | Grip Range | Workpiece Dia. Tolerance | Max. Body Dia. | Approximate Dia. Compression | Overall Lg. | Material | Each | |
Round | ||||||||
|---|---|---|---|---|---|---|---|---|
| 1/8" | 0.109"-0.125" | -0.0001" to 0.0001" | 0.46" | 1/64" | 0.71" | Steel | 0000000 | 000000 |
| 3/16" | 0.172"-0.187" | -0.0001" to 0.0001" | 0.46" | 1/64" | 0.71" | Steel | 0000000 | 00000 |
| 1/4" | 0.234"-0.250" | -0.0001" to 0.0001" | 0.46" | 1/64" | 0.71" | Steel | 0000000 | 00000 |


























