Bison - 3 Jaws, 12" Diam, Self Centering Manual Lathe Chuck - Plain Back Mount Spindle, Reversible, 2,800 Max RPM, 4.0551" Through Hole Diam, 0.0022" Axial Runout, 0.002" Radial Runout, Forged Steel
Item #: 08546129
Brand: Bison
Model #: 7-820-1200
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.
Forged steel or steel chucks have greater accuracy, less wear and can be operated at higher RPM's.
| Product Specifications | |
|---|---|
| Chuck Type | Self-Centering |
| Nominal Chuck Size | 12 |
| Number of Jaws | 3 |
| Mount | Plain Back |
| Through-Hole Diameter (Decimal Inch) | 4.0551 |
| Body Material | Forged Steel |
| Reversible Jaws | Reversible Jaws |
| Number of Jaw Pieces | Two-Piece |
| Chuck Diameter (Inch) | 12-1/2 |
| Minimum Jaw Capacity (Decimal Inch) | 0.3940 |
| Maximum Jaw Capacity (Decimal Inch) | 10.4300 |
| Adjustable | No |
| Jaw Type | Master Jaws; Top Jaws |
| Axial Runout (Decimal Inch) | 0.0022 |
| Radial Runout (Decimal Inch) | 0.0020 |
| Body Length (Decimal Inch) | 3.9370 |
| Maximum RPM | 2800 |
| Includes | (2) Hex Keys; Chuck Wrench; Eye Bolts (Chuck Size 15-3/4"); Set of Hard Master Jaws; Set of Hard Top Reversible Jaws; Set of Mounting Bolts |
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