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Milling Chuck Holders
- Extreme rigidity.
- Axial accuracy: Concentricity . 0.0002"
Straight bushings will grip the end mill evenly across the end mill shank.
- This provides a gripping force twenty times greater than a standard tapered collet.
- Flats and end mill shank depressions will not distort the milling chuck bore.
- Tightening torque of 22 ft/lbs is minimal for a tremendous gripping force as compared to a tapered collet chuck.
- The collapse range is 0.0015" below nominal.
- Holders has coolant thru capabilities.
| Item # | Flange Type
| Bore Size (A)
| Proj. Length (B)
| Diameter (C)
| Collapse Range
| Wrench
| Concentricity
| | 74270 | Cat V 40
| 0.75 in.
| 3.7 in.
| 2.37 in.
| 0.0015 in.
| 64705
| <=0.0002 in.
| | 74271 | Cat V 40
| 1.25 in.
| 4.52 in.
| 2.94 in.
| 0.0015 in.
| 64706
| <=0.0002 in.
| | 74273 | Cat V 50
| 1.25 in.
| 4.45 in.
| 2.94 in.
| 0.0015 in.
| 64706
| <=0.0002 in.
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