For Drill Chuck Mount Type For Drill ChuckMount Type | Show |
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For Drill Chuck Mount Type For Drill ChuckMount Type | Hide |
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For Machine Spindle Type For Machine Spindle Type |
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For Use With For Use With |
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For Holding For Holding |
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System of Measurement System of Measurement |
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Overall Length Overall Length |
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For Drill Chuck Jacobs Taper Diameter For Drill Chuck JacobsTaper Diameter |
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Material Material |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement)  |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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For Machine Spindle Morse Taper Diameter For Machine SpindleMorse Taper Diameter |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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Component Component |
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Shank Type Shank Type |
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 | R8 Taper |
Shank Thread Size Shank Thread Size |
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Head Length Head Length |
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TIR (Total Indicated Runout) Accuracy TIR (Total IndicatedRunout) Accuracy |
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Morse Taper to Jacobs Taper Drill Chuck Arbors
The Morse taper end fits into a machine spindle and the Jacobs taper end is compatible with a Jacobs taper drill chuck. Morse taper spindles are most often found on drill presses. These arbors are made of hardened, precision-ground steel.
For technical drawings and 3-D models, click on a part number.
For Machine Spindle Morse Taper | For Drill Chuck Jacobs Taper | ||||||
|---|---|---|---|---|---|---|---|
| Number | Dia. | Number | Dia. | Overall Lg. | Material | Each | |
| 1 | 0.475" | 0 | 0.25" | 3 3/16" | Steel | 0000000 | 000000 |
| 1 | 0.475" | 1 | 0.384" | 3 25/64" | Steel | 0000000 | 00000 |
| 1 | 0.475" | 2 | 0.559" | 3 5/8" | Steel | 0000000 | 00000 |
| 1 | 0.475" | 3 | 0.811" | 4 1/64" | Steel | 0000000 | 00000 |
| 1 | 0.475" | 6 | 0.676" | 3 25/32" | Steel | 0000000 | 00000 |
| 1 | 0.475" | 33 | 0.624" | 3 25/32" | Steel | 0000000 | 00000 |
| 2 | 0.7" | 0 | 0.25" | 3 25/32" | Steel | 0000000 | 00000 |
| 2 | 0.7" | 1 | 0.384" | 3 63/64" | Steel | 0000000 | 00000 |
| 2 | 0.7" | 2 | 0.559" | 4 7/32" | Steel | 0000000 | 00000 |
| 2 | 0.7" | 3 | 0.811" | 4 39/64" | Steel | 0000000 | 00000 |
| 2 | 0.7" | 4 | 1.124" | 5 3/64" | Steel | 0000000 | 00000 |
| 2 | 0.7" | 6 | 0.676" | 4 3/8" | Steel | 0000000 | 00000 |
| 2 | 0.7" | 33 | 0.624" | 4 17/64" | Steel | 0000000 | 00000 |
| 3 | 0.938" | 1 | 0.384" | 4 47/64" | Steel | 0000000 | 00000 |
| 3 | 0.938" | 2 | 0.559" | 4 31/32" | Steel | 0000000 | 00000 |
| 3 | 0.938" | 3 | 0.811" | 5 23/64" | Steel | 0000000 | 00000 |
| 3 | 0.938" | 4 | 1.124" | 5 51/64" | Steel | 0000000 | 00000 |
| 3 | 0.938" | 5 | 1.413" | 5 29/32" | Steel | 0000000 | 00000 |
| 3 | 0.938" | 6 | 0.676" | 5 1/8" | Steel | 0000000 | 00000 |
| 3 | 0.938" | 33 | 0.624" | 5 1/8" | Steel | 0000000 | 00000 |
| 4 | 1.231" | 2 | 0.559" | 6" | Steel | 0000000 | 00000 |
| 4 | 1.231" | 3 | 0.811" | 6 3/8" | Steel | 0000000 | 00000 |
| 4 | 1.231" | 4 | 1.124" | 6 13/16" | Steel | 0000000 | 00000 |
| 4 | 1.231" | 5 | 1.413" | 6 15/16" | Steel | 0000000 | 00000 |
| 4 | 1.231" | 6 | 0.676" | 6 5/32" | Steel | 0000000 | 00000 |
| 4 | 1.231" | 33 | 0.624" | 6 5/32" | Steel | 0000000 | 00000 |
| 5 | 1.748" | 3 | 0.811" | 7 9/16" | Steel | 0000000 | 00000 |
| 5 | 1.748" | 4 | 1.124" | 8 1/8" | Steel | 0000000 | 00000 |
| 5 | 1.748" | 5 | 1.413" | 8 1/8" | Steel | 0000000 | 000000 |
Straight-Shank Drill Chuck Arbors
Compatible with straight spindles, which are most often found on manual lathes and CNC machines. The straight shank fits into a machine spindle and the Jacobs taper end is compatible with a Jacobs taper drill chuck. These arbors are made of hardened, precision-ground steel.
For technical drawings and 3-D models, click on a part number.
For Drill Chuck Jacobs Taper | |||||
|---|---|---|---|---|---|
| Shank Dia. | Number | Dia. | Overall Lg. | Each | |
| 1/2" | 0 | 0.25" | 3 7/64" | 0000000 | 000000 |
| 1/2" | 1 | 0.384" | 3 11/32" | 0000000 | 00000 |
| 1/2" | 2 | 0.559" | 3 35/64" | 0000000 | 00000 |
| 1/2" | 3 | 0.811" | 3 63/64" | 0000000 | 00000 |
| 1/2" | 6 | 0.676" | 3 3/4" | 0000000 | 00000 |
| 1/2" | 33 | 0.624" | 3 3/4" | 0000000 | 00000 |
| 5/8" | 1 | 0.384" | 3 11/32" | 0000000 | 00000 |
| 5/8" | 2 | 0.559" | 3 19/32" | 0000000 | 00000 |
| 5/8" | 3 | 0.811" | 3 63/64" | 0000000 | 00000 |
| 5/8" | 6 | 0.676" | 3 3/4" | 0000000 | 00000 |
| 5/8" | 33 | 0.624" | 3 3/4" | 0000000 | 00000 |
| 3/4" | 2 | 0.559" | 4 7/64" | 0000000 | 00000 |
| 3/4" | 3 | 0.811" | 4 1/2" | 0000000 | 00000 |
| 3/4" | 6 | 0.676" | 4 17/64" | 0000000 | 00000 |
| 3/4" | 33 | 0.624" | 4 17/64" | 0000000 | 00000 |
Straight-Shank Drill Chuck Arbors with Drill-Feed Attachment
For better control when drilling small holes with a drill press or milling machine, the attachment on this arbor lets you apply light feed pressure with your fingers while the machine rotates the bit. A spring-loaded, ball-bearing drill feed automatically retracts when the gripping ring is released. The straight shank fits into a machine spindle and the Jacobs taper end is compatible with a Jacobs taper drill chuck.
For Drill Chuck Jacobs Taper | |||||||
|---|---|---|---|---|---|---|---|
| Shank Dia. | Spindle Travel | Number | Dia. | Overall Lg. | Material | Each | |
| 1/2" | 3/4" | 0 | 0.25" | 2 15/16" | Steel | 0000000 | 0000000 |
R8 Taper Drill Chuck Arbors
Use with R8 taper spindles which are most often found on manual milling machines. The R8 taper end fits into a machine spindle and the Jacobs taper end is compatible with a Jacobs taper drill chuck. All arbors are made of hardened, precision-ground steel.
For technical drawings and 3-D models, click on a part number.
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.
