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Collet Type
Grip Range
For Holding
Face Type
Overall Length
System of Measurement
Approximate Diameter Compression
Component
Material
For Use With
Export Control Classification Number (ECCN)
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Head Diameter
Total Indicated Runout (TIR) Accuracy
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Machine Taper Number
For Number of Collets
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Mounting Slot Length
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Overall Width
ER-16 Collets

Install into an ER-16 collet chuck or holder to tightly grip round-shank tool bits in milling machines.
Collet Size | Grip Range | Workpiece Dia. Tolerance | Max. Body Dia. | Approximate Dia. Compression | Overall Lg. | Material | Each | |
Round | ||||||||
---|---|---|---|---|---|---|---|---|
1/32" | 0.027"-0.031" | -0.0001" to 0.0001" | 0.677" | 1/32" | 1.06" | Hardened Steel | 00000000 | 000000 |
1/16" | 0.047"-0.063" | -0.0001" to 0.0001" | 0.677" | 1/32" | 1.06" | Hardened Steel | 00000000 | 00000 |
3/32" | 0.078"-0.094" | -0.0001" to 0.0001" | 0.677" | 1/32" | 1.06" | Hardened Steel | 00000000 | 00000 |
1/8" | 0.109"-0.125" | -0.0001" to 0.0001" | 0.677" | 1/32" | 1.06" | Hardened Steel | 00000000 | 00000 |
5/32" | 0.125"-0.156" | -0.0001" to 0.0001" | 0.677" | 1/32" | 1.06" | Hardened Steel | 00000000 | 00000 |
3/16" | 0.156"-0.187" | -0.0001" to 0.0001" | 0.677" | 1/32" | 1.06" | Hardened Steel | 00000000 | 00000 |
7/32" | 0.187"-0.219" | -0.0001" to 0.0001" | 0.677" | 1/32" | 1.06" | Hardened Steel | 00000000 | 00000 |
1/4" | 0.219"-0.250" | -0.0001" to 0.0001" | 0.677" | 1/32" | 1.06" | Hardened Steel | 00000000 | 00000 |
9/32" | 0.250"-0.281" | -0.0001" to 0.0001" | 0.677" | 1/32" | 1.06" | Hardened Steel | 00000000 | 00000 |
5/16" | 0.281"-0.312" | -0.0001" to 0.0001" | 0.677" | 1/32" | 1.06" | Hardened Steel | 00000000 | 00000 |
11/32" | 0.312"-0.344" | -0.0001" to 0.0001" | 0.677" | 1/32" | 1.06" | Hardened Steel | 00000000 | 00000 |
3/8" | 0.344"-0.375" | -0.0001" to 0.0001" | 0.677" | 1/32" | 1.06" | Hardened Steel | 00000000 | 00000 |
13/32" | 0.375"-0.406" | -0.0001" to 0.0001" | 0.677" | 1/32" | 1.06" | Hardened Steel | 00000000 | 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-16 Collet Stands

Overall | Mounting Slot | ||||||||
---|---|---|---|---|---|---|---|---|---|
For Number of Collets | Ht. | Wd. | Dp. | No. of | Wd. | Lg. | Material | Each | |
49 | 1 3/8" | 9 1/8" | 7 7/32" | 2 | 1/4" | 1 1/16" | Steel | 0000000 | 000000 |
Quick-Change Tool Holders for Milling Machines

After installing the R8 body in the milling machine spindle, tool holders can be switched out in seconds. To remove a tool holder, depress the brass locking button and rotate the collar on the R8 body. When a new tool holder is inserted, a spring-loaded pin snaps the collar back into the locked position.
Collet Holder

Head | For Collet | |||||
---|---|---|---|---|---|---|
Lg. | Dia. | Type | Max. Size | Material | Each | |
1 9/16" | 63/64" | ER-16 | 3/8" | Steel | 0000000 | 0000000 |