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| Machine Your Own | Machine Your Own Inside Grip |
Maximum Bore Diameter Maximum Bore Diameter |
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Overall Length Overall Length |
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Internal Thread Size Internal Thread Size |
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Quick-Change Large-Diameter
Machine-Your-Own 5C Collets
Save time when switching to a new workpiece by changing out the head instead of the entire collet. Also known as step collets, their wide head can be machined to hold large workpieces that won't fit in a standard collet.
Overall length refers to the length of the collet when the head is assembled with the required 5C body (sold separately).
| Head Dia. | Head Thick. | Max. Bore Dia. | Body Dia. | Overall Lg. | Internal Thread Size | Each | |
Aluminum | |||||||
|---|---|---|---|---|---|---|---|
| 1 1/2" | 7/8" | 1 1/4" | 1 1/4" | 4 1/8" | 1.238"-20 | 00000000 | 000000 |
| 2" | 3/4" | 1 3/4" | 1 1/4" | 4 1/8" | 1.238"-20 | 00000000 | 00000 |
| 2" | 1 1/4" | 1 3/4" | 1 1/4" | 4 5/8" | 1.238"-20 | 00000000 | 00000 |
| 2 1/2" | 1" | 2 1/4" | 1 1/4" | 4 3/8" | 1.238"-20 | 00000000 | 00000 |
| 2 1/2" | 1 1/2" | 2 1/4" | 1 1/4" | 4 7/8" | 1.238"-20 | 00000000 | 00000 |
| 3" | 1" | 2.687" | 1 1/4" | 4 3/8" | 1.238"-20 | 00000000 | 00000 |
| 3" | 1 5/8" | 2.687" | 1 1/4" | 5 1/8" | 1.238"-20 | 00000000 | 00000 |
| 4" | 1" | 3.687" | 1 1/4" | 4 3/8" | 1.238"-20 | 00000000 | 00000 |
Steel | |||||||
| 1 1/2" | 7/8" | 1 1/4" | 1 1/4" | 4 1/8" | 1.238"-20 | 00000000 | 00000 |
| 2" | 3/4" | 1 3/4" | 1 1/4" | 4 1/8" | 1.238"-20 | 00000000 | 00000 |
| 2" | 1 1/4" | 1 3/4" | 1 1/4" | 4 5/8" | 1.238"-20 | 00000000 | 00000 |
| 2 1/2" | 1" | 2 1/4" | 1 1/4" | 4 3/8" | 1.238"-20 | 00000000 | 00000 |
| 2 1/2" | 1 1/2" | 2 1/4" | 1 1/4" | 4 7/8" | 1.238"-20 | 00000000 | 00000 |
| 3" | 1" | 2.687" | 1 1/4" | 4 3/8" | 1.238"-20 | 00000000 | 00000 |
| 3" | 1 5/8" | 2.687" | 1 1/4" | 5 1/8" | 1.238"-20 | 00000000 | 00000 |
| 4" | 1" | 3.687" | 1 1/4" | 4 3/8" | 1.238"-20 | 00000000 | 00000 |
| 5C Steel Body | 0000000 | Each | 000000 |
Large-Diameter Machine-Your-Own 5C Collets
Also known as step collets, their wide head can be machined to hold large workpieces that won't fit in a standard collet. They have external threads.
| Head Dia. | Head Thick. | Max. Bore Dia. | Body Dia. | Overall Lg. | Face Pilot Hole Dia. | External Thread Size | Material | Head Material | Each | |
| 2" | 1 3/16" | 1 1/2" | 1 1/4" | 4 33/64" | 1/2" | 1.238"-20 | Hardened Steel | Steel | 0000000 | 000000 |
| 3" | 1 3/16" | 2 1/2" | 1 1/4" | 4 33/64" | 1/2" | 1.238"-20 | Hardened Steel | Steel | 0000000 | 00000 |
| 4" | 1 3/16" | 3 1/2" | 1 1/4" | 4 33/64" | 1/2" | 1.238"-20 | Hardened Steel | Steel | 0000000 | 000000 |
| 5" | 1 3/16" | 4 1/2" | 1 1/4" | 4 33/64" | 1/2" | 1.238"-20 | Hardened Steel | Steel | 0000000 | 000000 |
| 6" | 1 3/16" | 5 1/2" | 1 1/4" | 4 33/64" | 1/2" | 1.238"-20 | Hardened Steel | Steel | 0000000 | 000000 |
Machine-Your-Own 5C Collets
These collets tightly grip workpieces when installed into a 5C collet chuck or holder. Also known as emergency collets, their machinable face allows you to bore an opening to exactly the size and shape you need. All have external and internal threads.
Brass is recommended for holding soft and delicate workpieces.
Machine-Your-Own Inside-Grip 5C Collets
The head on these collets acts like a mandrel to support the inside of a hollow workpiece. An expanding screw widens the head to firmly grip the workpiece. It can be machined to fit the exact ID of your part. All have external threads.
| Head Dia. | Head Thick. | Min. Machined Dia. | Body Dia. | Overall Lg. | External Thread Size | TIR (Total Indicated Runout) Accuracy | Material | Each | |
| 1/2" | 1" | 0.25" | 1 1/4" | 4 1/2" | 1.234"-20 | 0.0005" | Steel | 0000000 | 000000 |
| 1" | 1" | 0.437" | 1 1/4" | 4 1/2" | 1.234"-20 | 0.0005" | Steel | 0000000 | 00000 |
| 1" | 2" | 0.437" | 1 1/4" | 5 1/2" | 1.234"-20 | 0.0005" | Steel | 0000000 | 000000 |
| 1 1/2" | 1" | 0.75" | 1 1/4" | 4 1/2" | 1.234"-20 | 0.0005" | Steel | 0000000 | 00000 |
| 1 1/2" | 1 1/2" | 0.75" | 1 1/4" | 5" | 1.234"-20 | 0.0005" | Steel | 0000000 | 00000 |
| 2" | 1" | 0.75" | 1 1/4" | 4 1/2" | 1.234"-20 | 0.0005" | Steel | 0000000 | 00000 |
| 2" | 1 1/2" | 0.75" | 1 1/4" | 5" | 1.234"-20 | 0.0005" | Steel | 0000000 | 000000 |
| 2 1/2" | 2 1/2" | 0.75" | 1 1/4" | 6" | 1.234"-20 | 0.0005" | Steel | 0000000 | 000000 |
Machine-Your-Own 3J Collets
When installed into a 3J collet chuck or holder, these collets can securely grip workpieces. Also known as emergency collets, their machinable face allows you to bore an opening to exactly the size and shape you need. All have external threads.
| Max. Bore Dia. | Body Dia. | Overall Lg. | Face Pilot Hole Dia. | External Thread Size | Material | Each | |
| 1 3/4" | 2" | 3 3/4" | 1/16" | 1.988"-20 | Hardened Steel | 00000000 | 0000000 |
Machine-Your-Own 16C Collets
Insert into a 16C collet chuck or holder to tightly grip workpieces. Also known as emergency collets, their machinable face allows you to bore an opening to exactly the size and shape you need. All have external and internal threads.
| Max. Bore Dia. | Body Dia. | Overall Lg. | Face Pilot Hole Dia. | Internal Thread Size | External Thread Size | External Thread Pitch | Material | Each | |
| 1 5/8" | 1.89" | 4 1/4" | 1/16" | 1 11/16"-20 | M47.5 | 1.75mm | Hardened Steel | 00000000 | 000000 |