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Collet Type Collet Type |
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Size Size |
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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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Face Type Face Type |
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For Use With For Use With |
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Maximum Body Diameter Maximum Body Diameter |
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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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Shank Type Shank Type |
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Mounting Location Mounting Location |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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For Number of Collets For Number of Collets |
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Mounting Slot Length Mounting Slot Length |
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Mounting Slot Width Mounting Slot Width |
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Number of Mounting Slots Number of Mounting Slots |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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ER-20 Collets
Collet
Collet with Coolant
Install into an ER-20 collet chuck or holder to tightly grip round-shank tool bits in milling machines. To ensure they work with milling machines and tooling made throughout the world, these collets meet both ISO and DIN dimensional standards.
Collets with coolant keep tools cool to extend tool life.
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 | Features | Max. Coolant Pressure, psi | Specifications Met | Each | |
Round | |||||||||||
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| 1/16" | 0.047"-0.063" | -0.0001" to 0.0001" | 0.83" | 1/32" | 1.22" | Hardened Steel | __ | __ | DIN 6499, ISO 15488B | 0000000 | 000000 |
| 3/32" | 0.078"-0.094" | -0.0001" to 0.0001" | 0.83" | 1/32" | 1.22" | Hardened Steel | __ | __ | DIN 6499, ISO 15488B | 0000000 | 00000 |
| 1/8" | 0.109"-0.125" | -0.0001" to 0.0001" | 0.83" | 1/32" | 1.22" | Hardened Steel | __ | __ | DIN 6499, ISO 15488B | 0000000 | 00000 |
| 5/32" | 0.125"-0.156" | -0.0001" to 0.0001" | 0.83" | 1/32" | 1.22" | Hardened Steel | __ | __ | DIN 6499, ISO 15488B | 0000000 | 00000 |
| 3/16" | 0.156"-0.187" | -0.0001" to 0.0001" | 0.83" | 1/32" | 1.22" | Hardened Steel | __ | __ | DIN 6499, ISO 15488B | 0000000 | 00000 |
| 3/16" | 0.183"-0.187" | -0.0001" to 0.0001" | 0.83" | 1/32" | 1.22" | Hardened Steel | Coolant | 1,000 | DIN 6499, ISO 15488B | 0000000 | 00000 |
| 7/32" | 0.187"-0.219" | -0.0001" to 0.0001" | 0.83" | 1/32" | 1.22" | Hardened Steel | __ | __ | DIN 6499, ISO 15488B | 0000000 | 00000 |
| 1/4" | 0.219"-0.250" | -0.0001" to 0.0001" | 0.83" | 1/32" | 1.22" | Hardened Steel | __ | __ | DIN 6499, ISO 15488B | 0000000 | 00000 |
| 1/4" | 0.234"-0.250" | -0.0001" to 0.0001" | 0.83" | 1/32" | 1.22" | Hardened Steel | Coolant | 1,000 | DIN 6499, ISO 15488B | 0000000 | 00000 |
| 9/32" | 0.250"-0.281" | -0.0001" to 0.0001" | 0.83" | 1/32" | 1.22" | Hardened Steel | __ | __ | DIN 6499, ISO 15488B | 0000000 | 00000 |
| 5/16" | 0.281"-0.312" | -0.0001" to 0.0001" | 0.83" | 1/32" | 1.22" | Hardened Steel | __ | __ | DIN 6499, ISO 15488B | 0000000 | 00000 |
| 11/32" | 0.312"-0.344" | -0.0001" to 0.0001" | 0.83" | 1/32" | 1.22" | Hardened Steel | __ | __ | DIN 6499, ISO 15488B | 0000000 | 00000 |
| 3/8" | 0.344"-0.375" | -0.0001" to 0.0001" | 0.83" | 1/32" | 1.22" | Hardened Steel | __ | __ | DIN 6499, ISO 15488B | 0000000 | 00000 |
| 3/8" | 0.359"-0.375" | -0.0001" to 0.0001" | 0.83" | 1/32" | 1.22" | Hardened Steel | Coolant | 1,000 | DIN 6499, ISO 15488B | 0000000 | 00000 |
| 13/32" | 0.375"-0.406" | -0.0001" to 0.0001" | 0.83" | 1/32" | 1.22" | Hardened Steel | __ | __ | DIN 6499, ISO 15488B | 0000000 | 00000 |
| 7/16" | 0.406"-0.437" | -0.0001" to 0.0001" | 0.83" | 1/32" | 1.22" | Hardened Steel | __ | __ | DIN 6499, ISO 15488B | 0000000 | 00000 |
| 15/32" | 0.437"-0.469" | -0.0001" to 0.0001" | 0.83" | 1/32" | 1.22" | Hardened Steel | __ | __ | DIN 6499, ISO 15488B | 0000000 | 00000 |
| 1/2" | 0.469"-0.500" | -0.0001" to 0.0001" | 0.83" | 1/32" | 1.22" | Hardened Steel | __ | __ | DIN 6499, ISO 15488B | 0000000 | 00000 |
| 1/2" | 0.484"-0.500" | -0.0001" to 0.0001" | 0.83" | 1/32" | 1.22" | Hardened Steel | Coolant | 1,000 | DIN 6499, ISO 15488B | 0000000 | 00000 |
| 3 mm | 2.5 mm-3 mm | -0.0001" to 0.0001" | 0.83" | 1/32" | 1.22" | Hardened Steel | __ | __ | DIN 6499, ISO 15488B | 0000000 | 00000 |
| 4 mm | 3.5 mm-4 mm | -0.0001" to 0.0001" | 0.83" | 1/32" | 1.22" | Hardened Steel | __ | __ | DIN 6499, ISO 15488B | 0000000 | 00000 |
| 5 mm | 4 mm-5 mm | -0.0001" to 0.0001" | 0.83" | 1/32" | 1.22" | Hardened Steel | __ | __ | DIN 6499, ISO 15488B | 0000000 | 00000 |
| 6 mm | 5 mm-6 mm | -0.0001" to 0.0001" | 0.83" | 1/32" | 1.22" | Hardened Steel | __ | __ | DIN 6499, ISO 15488B | 000000 | 00000 |
| 7 mm | 6 mm-7 mm | -0.0001" to 0.0001" | 0.83" | 1/32" | 1.22" | Hardened Steel | __ | __ | DIN 6499, ISO 15488B | 0000000 | 00000 |
| 8 mm | 7 mm-8 mm | -0.0001" to 0.0001" | 0.83" | 1/32" | 1.22" | Hardened Steel | __ | __ | DIN 6499, ISO 15488B | 0000000 | 00000 |
| 10 mm | 9 mm-10 mm | -0.0001" to 0.0001" | 0.83" | 1/32" | 1.22" | Hardened Steel | __ | __ | DIN 6499, ISO 15488B | 0000000 | 00000 |
| 12 mm | 11 mm-12 mm | -0.0001" to 0.0001" | 0.83" | 1/32" | 1.22" | Hardened Steel | __ | __ | DIN 6499, ISO 15488B | 0000000 | 00000 |
Collet Chucks
R8 Taper
CAT 40 Taper
Securely hold collets in the spindle of a milling machine.
Use a nut wrench (sold separately) to tighten the chuck nut and secure the tool bit in the collet.
ER-20 Collet Stands
Overall | Mounting Slot | ||||||||
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| For Number of Collets | Ht. | Wd. | Dp. | No. of | Wd. | Lg. | Material | Each | |
| 36 | 1 3/8" | 9 1/8" | 7 7/32" | 2 | 1/4" | 1 1/16" | Steel | 0000000 | 000000 |