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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 | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 0000000 |
| 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 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 | 000000 |
| 7/8" | 1 | 7/16"-20 | 2" | 2 3/4" | Steel | Heat Treated | Set Screws | 0000000 | 000000 |
| 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.
CAT 40 Taper End Mill Holders
Securely grip end mills in machines with a CAT 40 taper spindle. Holders have threads on the tapered end to hold retention knobs that fit your machine.
For technical drawings and 3-D models, click on a part number.
Shank | Head | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| For End Mill Shank Dia. | For Number of End Mill Milling Ends | Thread Size | Thread Gender | Dia. | Lg. | Material | Fabrication | Includes | Each | |
| 1/8" | 1, 2 | 5/8"-11 | Female | 3/4" | 2 3/8" | Steel | Heat Treated | Set Screws | 000000000 | 0000000 |
| 3/16" | 1, 2 | 5/8"-11 | Female | 3/4" | 2 1/2" | Steel | Heat Treated | Set Screws | 000000000 | 000000 |
| 1/4" | 1, 2 | 5/8"-11 | Female | 51/64" | 2 1/2" | Steel | Heat Treated | Set Screws | 000000000 | 000000 |
| 3/8" | 1, 2 | 5/8"-11 | Female | 1" | 2 1/2" | Steel | Heat Treated | Set Screws | 000000000 | 000000 |
| 1/2" | 1, 2 | 5/8"-11 | Female | 1 3/8" | 2 1/2" | Steel | Heat Treated | Set Screws | 000000000 | 000000 |
| 1/2" | 1, 2 | 5/8"-11 | Female | 1 3/8" | 4" | Steel | Heat Treated | Set Screws | 000000000 | 000000 |
| 5/8" | 1, 2 | 5/8"-11 | Female | 1 21/32" | 3" | Steel | Heat Treated | Set Screws | 000000000 | 000000 |
| 3/4" | 1, 2 | 5/8"-11 | Female | 1 3/4" | 3" | Steel | Heat Treated | Set Screws | 000000000 | 000000 |
| 1" | 1, 2 | 5/8"-11 | Female | 2 3/8" | 4" | Steel | Heat Treated | Set Screws | 000000000 | 000000 |
| 1 1/4" | 1, 2 | 5/8"-11 | Female | 2 1/2" | 4" | Steel | Heat Treated | Set Screws | 000000000 | 000000 |