Bison - 3 Jaws, 20" Diam, Self Centering Manual Lathe Chuck - Plain Back Mount Spindle, 700 Max RPM, 7.4803" Through Hole Diam, 0.002" Axial Runout, 0.004" Radial Runout, Cast Iron
Item #: 08550204
Brand: Bison
Model #: 7-810-2000
Exact Tooling IR#: 04
Features and Benefits
Self-centering scroll chucks are designed with jaws on a scroll which open and close with a wrench that is turned on a pinion. They accurately self-center on the workpiece as the jaws close.
Cast iron also called semi-steel is the industry standard for chuck body material.
| Product Specifications | |
|---|---|
| Chuck Type | Self-Centering |
| Nominal Chuck Size | 20 |
| Number of Jaws | 3 |
| Mount | Plain Back |
| Through-Hole Diameter (Decimal Inch) | 7.4803 |
| Body Material | Cast Iron (Semi-Steel) |
| Reversible Jaws | Nonreversible Jaws |
| Number of Jaw Pieces | One-Piece |
| Chuck Diameter (Inch) | 20 |
| Minimum Jaw Capacity (Decimal Inch) | 0.7900 |
| Maximum Jaw Capacity (Decimal Inch) | 19.0900 |
| Adjustable | No |
| Axial Runout (Decimal Inch) | 0.0020 |
| Radial Runout (Decimal Inch) | 0.0040 |
| Body Length (Decimal Inch) | 4.7240 |
| Maximum RPM | 700 |
| Includes | (2) Hex Keys; Chuck Wrench; Eye Bolts (Chuck Size 15-3/4" & Larger); Set of Hard Solid External Jaws; Set of Hard Solid Internal Jaws; Set of Mounting Bolts |
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