For End Mill Shank Diameter For End Mill Shank Diameter |
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For Holding For Holding |
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Head Diameter Head Diameter |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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For Drill Chuck Jacobs Taper Diameter For Drill Chuck JacobsTaper 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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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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R8 Taper End Mill Holders
Hold end mills, drills, and reamers securely in manual milling machines that have an R8 taper spindle. Holders are ground to accurate size.
For technical drawings and 3-D models, click on a part number.
Head | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| For End Mill Shank Dia. | For Number of End Mill Milling Ends | Internal Thread Size | Dia. | Lg. | Material | Fabrication | Includes | Each | |
| 1/8" | 1 | 7/16"-20 | 3/4" | 1 3/8" | Steel | Heat Treated | Set Screws | 0000000 | 000000 |
| 3/16" | 1, 2 | 7/16"-20 | 3/4" | 1 3/8" | Steel | Heat Treated | Set Screws | 0000000 | 00000 |
| 1/4" | 1, 2 | 7/16"-20 | 51/64" | 1 3/8" | Steel | Heat Treated | Set Screws | 0000000 | 00000 |
| 5/16" | 1 | 7/16"-20 | 7/8" | 1 3/4" | Steel | Heat Treated | Set Screws | 0000000 | 00000 |
| 3/8" | 1, 2 | 7/16"-20 | 1" | 1 3/8" | Steel | Heat Treated | Set Screws | 0000000 | 00000 |
| 1/2" | 1 | 7/16"-20 | 1 3/8" | 1 3/8" | Steel | Heat Treated | Set Screws | 0000000 | 00000 |
| 5/8" | 1 | 7/16"-20 | 1 21/32" | 1 1/2" | Steel | Heat Treated | Set Screws | 0000000 | 00000 |
| 3/4" | 1 | 7/16"-20 | 1 57/64" | 2 3/8" | Steel | Heat Treated | Set Screws | 0000000 | 00000 |
| 7/8" | 1 | 7/16"-20 | 2" | 2 3/4" | Steel | Heat Treated | Set Screws | 0000000 | 00000 |
| 1" | 1 | 7/16"-20 | 2 3/8" | 3 1/4" | Steel | Heat Treated | Set Screws | 0000000 | 000000 |
| 1 1/4" | 1 | 7/16"-20 | 2 1/2" | 3 1/4" | Steel | Heat Treated | Set Screws | 0000000 | 000000 |
| 1 1/2" | 1 | 7/16"-20 | 3" | 3 3/4" | Steel | Heat Treated | Set Screws | 0000000 | 000000 |
Morse Taper to R8 Taper Milling Machine Adapters
Convert tools with a Morse taper shank to an R8 shank for use in manual milling machines that have an R8 taper spindle. Holders are ground to accurate size.
Arbors for Face Milling Cutters
Mount large-diameter milling cutters securely in Bridgeport and similar milling machines that have an R8 taper spindle.
Shank Thread | Head | Nose | |||||||||
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| For Arbor Hole Size | Size | Gender | Dia. | Lg. | Dia. | Lg. | For Keyway Wd. | Material | Fabrication | Each | |
| 1/2" | 7/16"-20 | Female | 1 3/8" | 1" | 1/2" | 9/16" | 1/4" | Steel | Heat Treated | 0000000 | 000000 |
| 3/4" | 7/16"-20 | Female | 2" | 1" | 3/4" | 11/16" | 5/16" | Steel | Heat Treated | 0000000 | 000000 |
| 1" | 7/16"-20 | Female | 2.38" | 1" | 1" | 11/16" | 3/8" | Steel | Heat Treated | 0000000 | 000000 |
| 1 1/4" | 7/16"-20 | Female | 2.88" | 1" | 1 1/4" | 11/16" | 1/2" | Steel | Heat Treated | 0000000 | 000000 |
| 1 1/2'' | 7/16"-20 | Female | 3 1/2" | 1 3/4" | 1 1/2" | 1" | 5/8" | Steel | Heat Treated | 0000000 | 000000 |
R8 Taper Arbors for Slitting Saws
Mount this arbor into manual milling machines that have an R8 taper spindle. It has a spring-loaded centering mechanism which allows it to hold saws with a range of arbor holes sizes. Use with high-speed steel slitting saws.
For Max. Cutter | Shank Thread | Head | |||||||||
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| For Arbor Hole Size | Dia. | Thick. | Size | Gender | Dia. | Lg. | Overall Lg. | Material | Includes | Each | |
| 1/2", 5/8", 3/4", 7/8", 1" | 4" | 3/16" | 7/16"-20 | Female | 1 1/4" | 1 3/4" | 5 3/32" | Steel | Hex Key | 0000000 | 000000 |
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.