Bison - 4 Jaws, 8" Diam, Self Centering Manual Lathe Chuck - Plain Back Mount Spindle, Reversible, 2,500 Max RPM, 2.1654" Through Hole Diam, 0.0012" Axial Runout, 0.0023" Radial Runout, Cast Iron
Item #: 08609182
Brand: Bison
Model #: 7-840-0800
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 | 8 |
| Number of Jaws | 4 |
| Mount | Plain Back |
| Through-Hole Diameter (Decimal Inch) | 2.1654 |
| Body Material | Cast Iron (Semi-Steel) |
| Reversible Jaws | Reversible Jaws |
| Number of Jaw Pieces | Two-Piece |
| Chuck Diameter (mm) | 203.20 |
| Chuck Diameter (Inch) | 8 |
| Minimum Jaw Capacity (Decimal Inch) | 0.1570 |
| Maximum Jaw Capacity (Decimal Inch) | 7.4800 |
| Adjustable | No |
| Jaw Type | Master Jaws; Top Jaws |
| Axial Runout (Decimal Inch) | 0.0012 |
| Radial Runout (Decimal Inch) | 0.0023 |
| Body Length (Decimal Inch) | 2.9530 |
| Maximum RPM | 2500 |
| Includes | (2) Hex Keys; Chuck Wrench; Eye Bolts (Chuck Size 15-3/4" & Larger); Semi-Steel Body; Set of Hard Master Jaws; Set of Hard Top Reversible Jaws; Set of Mounting Bolts |
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