 
        Bison - Adapter Back Plate for 20" Diam Self Centering Lathe Chucks - D1-11 Mount, 7.5906" Through Hole Diam, 19.685" OD, 0.2362" Flange Height, Cast Iron
Item #: 54546106
Brand: Bison
Model #: 7-878-209F
Exact Tooling IR#: 04
Features and Benefits
Cast iron offers good vibration, resistance, good wear resistance and machinability. It is heavier and more economical than steel. 
| Product Specifications | |
|---|---|
| Nominal Chuck Size | 20 | 
| Spindle Nose Type | D Series | 
| Mount | D1-11 | 
| Chuck Compatibility | Self-Centering Chucks | 
| Through-Hole Diameter (Decimal Inch) | 7.5906 | 
| Chuck Diameter Compatibility (Inch) | 20 | 
| Chuck Diameter Compatibility (Decimal Inch) | 20.0000 | 
| Outside Diameter (Decimal Inch) | 19.6850 | 
| Flange Height (Decimal Inch) | 0.2362 | 
| Material | Cast Iron | 
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