Clear All
Collet Type Collet Type |
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 | R8 |
Size Size |
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For Holding For Holding |
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Face Type Face Type |
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 | Round |
For Use With For Use With |
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Internal Thread Size Internal Thread Size |
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Material Material |
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Body Diameter Body Diameter |
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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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 | R8 Taper |
Component Component |
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Collet Sizes Included Collet Sizes Included |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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R8 Collets
Use these collets to securely hold round-shank tool bits in the R8 spindle of a milling machine. They have internal threads.
For technical drawings and 3-D models, click on a part number.
| Size | TIR (Total Indicated Runout) Accuracy | Workpiece Dia. Tolerance | Body Dia. | Overall Lg. | Internal Thread Size | Material | Each | |
Round | ||||||||
|---|---|---|---|---|---|---|---|---|
| 1/16" | 0.0007" | -0.004" to 0" | 0.95" | 4.089" | 7/16"-20 | Steel | 0000000 | 000000 |
| 3/32" | 0.0007" | -0.004" to 0" | 0.95" | 4.089" | 7/16"-20 | Steel | 0000000 | 00000 |
| 1/8" | 0.0007" | -0.004" to 0" | 0.95" | 4.089" | 7/16"-20 | Steel | 0000000 | 00000 |
| 5/32" | 0.0007" | -0.004" to 0" | 0.95" | 4.089" | 7/16"-20 | Steel | 0000000 | 00000 |
| 3/16" | 0.0007" | -0.004" to 0" | 0.95" | 4.089" | 7/16"-20 | Steel | 0000000 | 00000 |
| 7/32" | 0.0007" | -0.004" to 0" | 0.95" | 4.089" | 7/16"-20 | Steel | 0000000 | 00000 |
| 1/4" | 0.0007" | -0.004" to 0" | 0.95" | 4.089" | 7/16"-20 | Steel | 0000000 | 00000 |
| 9/32" | 0.0007" | -0.004" to 0" | 0.95" | 4.089" | 7/16"-20 | Steel | 0000000 | 00000 |
| 5/16" | 0.0007" | -0.004" to 0" | 0.95" | 4.089" | 7/16"-20 | Steel | 0000000 | 00000 |
| 11/32" | 0.0007" | -0.004" to 0" | 0.95" | 4.089" | 7/16"-20 | Steel | 0000000 | 00000 |
| 3/8" | 0.0007" | -0.004" to 0" | 0.95" | 4.089" | 7/16"-20 | Steel | 0000000 | 00000 |
| 13/32" | 0.0011" | -0.004" to 0" | 0.95" | 4.089" | 7/16"-20 | Steel | 0000000 | 00000 |
| 7/16" | 0.0011" | -0.004" to 0" | 0.95" | 4.089" | 7/16"-20 | Steel | 0000000 | 00000 |
| 15/32" | 0.0011" | -0.004" to 0" | 0.95" | 4.089" | 7/16"-20 | Steel | 0000000 | 00000 |
| 1/2" | 0.0011" | -0.004" to 0" | 0.95" | 4.089" | 7/16"-20 | Steel | 0000000 | 00000 |
| 17/32" | 0.0011" | -0.004" to 0" | 0.95" | 4.089" | 7/16"-20 | Steel | 0000000 | 00000 |
| 9/16" | 0.0011" | -0.004" to 0" | 0.95" | 4.089" | 7/16"-20 | Steel | 0000000 | 00000 |
| 19/32" | 0.0011" | -0.004" to 0" | 0.95" | 4.089" | 7/16"-20 | Steel | 0000000 | 00000 |
| 5/8" | 0.0011" | -0.004" to 0" | 0.95" | 4.089" | 7/16"-20 | Steel | 0000000 | 00000 |
| 21/32" | 0.0011" | -0.004" to 0" | 0.95" | 4.089" | 7/16"-20 | Steel | 0000000 | 00000 |
| 11/16" | 0.0011" | -0.004" to 0" | 0.95" | 4.089" | 7/16"-20 | Steel | 0000000 | 00000 |
| 23/32" | 0.0011" | -0.004" to 0" | 0.95" | 4.089" | 7/16"-20 | Steel | 0000000 | 00000 |
| 3/4" | 0.0011" | -0.004" to 0" | 0.95" | 4.089" | 7/16"-20 | Steel | 0000000 | 00000 |
| 25/32" | 0.0011" | -0.004" to 0" | 0.95" | 4.089" | 7/16"-20 | Steel | 0000000 | 00000 |
| 13/16" | 0.0011" | -0.004" to 0" | 0.95" | 4.089" | 7/16"-20 | Steel | 0000000 | 00000 |
| 27/32" | 0.0011" | -0.004" to 0" | 0.95" | 4.089" | 7/16"-20 | Steel | 0000000 | 00000 |
| 7/8" | 0.0011" | -0.004" to 0" | 0.95" | 4.089" | 7/16"-20 | Steel | 0000000 | 00000 |
| 1" | 0.0011" | -0.004" to 0" | 0.95" | 4.7" | 7/16"-20 | Steel | 0000000 | 00000 |
| 3 mm | 0.0007" | -0.004" to 0" | 0.95" | 4.089" | 7/16"-20 | Steel | 0000000 | 00000 |
| 4 mm | 0.0007" | -0.004" to 0" | 0.95" | 4.089" | 7/16"-20 | Steel | 0000000 | 00000 |
| 5 mm | 0.0007" | -0.004" to 0" | 0.95" | 4.089" | 7/16"-20 | Steel | 0000000 | 00000 |
| 6 mm | 0.0007" | -0.004" to 0" | 0.95" | 4.089" | 7/16"-20 | Steel | 0000000 | 00000 |
| 7 mm | 0.0007" | -0.004" to 0" | 0.95" | 4.089" | 7/16"-20 | Steel | 0000000 | 00000 |
| 8 mm | 0.0007" | -0.004" to 0" | 0.95" | 4.089" | 7/16"-20 | Steel | 0000000 | 00000 |
| 9 mm | 0.0007" | -0.004" to 0" | 0.95" | 4.089" | 7/16"-20 | Steel | 0000000 | 00000 |
| 10 mm | 0.0007" | -0.004" to 0" | 0.95" | 4.089" | 7/16"-20 | Steel | 0000000 | 00000 |
| 11 mm | 0.0011" | -0.004" to 0" | 0.95" | 4.089" | 7/16"-20 | Steel | 0000000 | 00000 |
| 12 mm | 0.0011" | -0.004" to 0" | 0.95" | 4.089" | 7/16"-20 | Steel | 0000000 | 00000 |
| 13 mm | 0.0011" | -0.004" to 0" | 0.95" | 4.089" | 7/16"-20 | Steel | 0000000 | 00000 |
| 14 mm | 0.0011" | -0.004" to 0" | 0.95" | 4.089" | 7/16"-20 | Steel | 0000000 | 00000 |
| 15 mm | 0.0011" | -0.004" to 0" | 0.95" | 4.089" | 7/16"-20 | Steel | 0000000 | 00000 |
| 16 mm | 0.0011" | -0.004" to 0" | 0.95" | 4.089" | 7/16"-20 | Steel | 0000000 | 00000 |
| 17 mm | 0.0011" | -0.004" to 0" | 0.95" | 4.089" | 7/16"-20 | Steel | 0000000 | 00000 |
| 18 mm | 0.0011" | -0.004" to 0" | 0.95" | 4.089" | 7/16"-20 | Steel | 0000000 | 00000 |
| 19 mm | 0.0011" | -0.004" to 0" | 0.95" | 4.089" | 7/16"-20 | Steel | 0000000 | 00000 |
| 20 mm | 0.0011" | -0.004" to 0" | 0.95" | 4.089" | 7/16"-20 | Steel | 0000000 | 00000 |
R8 Collet Sets
8-Piece Set
13-Piece Set
Use these collets to securely hold round-shank tool bits in the R8 spindle of a milling machine. They have internal threads.
For technical drawings and 3-D models, click on a part number.
| No. of Pieces | Collet Sizes Included | Workpiece Dia. Tolerance | Body Dia. | Overall Lg. | Internal Thread Size | Material | Set | |
Round | ||||||||
|---|---|---|---|---|---|---|---|---|
| 8 | 1/8", 1/4", 3/8", 1/2", 5/8", 3/4", 7/8", 1" | 0" to -0.004" | 0.95" | 4.089" | 7/16"-20 | Steel | 0000000 | 0000000 |
| 13 | 1/8", 3/16", 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8" | 0" to -0.004" | 0.95" | 4.089" | 7/16"-20 | Steel | 0000000 | 000000 |
Collet Chucks
R8 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.
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.
R8 Body
R8 Taper Shank Thread | ||||||
|---|---|---|---|---|---|---|
| TIR (Total Indicated Runout) Accuracy | Gender | Size | Spindle Overhang | Material | Each | |
| 0.0005" | Female | 7/16"-20 | 1 1/8" | Steel | 0000000 | 0000000 |
End Mill Holder
Head | For End Mill | ||||||
|---|---|---|---|---|---|---|---|
| Lg. | Dia. | Number of Milling Ends | Shank Type | Shank Dia. | Material | Each | |
| 1 3/8" | 1/2" | 1 | Straight | 1/8" | Steel | 0000000 | 0000000 |
| 1 3/8" | 11/16" | 1 | Straight | 3/16" | Steel | 0000000 | 000000 |
| 1 3/8" | 11/16" | 1 | Straight | 1/4" | Steel | 0000000 | 000000 |
| 1 3/8" | 1 3/16" | 1 | Straight | 3/8" | Steel | 0000000 | 000000 |
| 1 3/8" | 1 3/8" | 1 | Straight | 1/2" | Steel | 0000000 | 000000 |
| 1 5/8" | 1 9/16" | 1 | Straight | 5/8" | Steel | 0000000 | 000000 |
| 2 3/16" | 1 13/16" | 1 | Straight | 3/4" | Steel | 0000000 | 000000 |
| 2 15/16" | 2" | 1 | Straight | 1" | Steel | 0000000 | 000000 |
Tool Holder Stand
Overall | ||||||||
|---|---|---|---|---|---|---|---|---|
| Ht. | Wd. | Dp. | For Number of Tools | Number of Mounting Holes | Mounting Hole Dia. | Material | Each | |
| 1 1/2" | 8 3/4" | 12 1/4" | 10 | 4 | 3/16" | Steel | 0000000 | 0000000 |