Gibraltar - 4 Jaws, 12" Diam, Self Centering Manual Lathe Chuck - Plain Back Mount Spindle, Reversible, 3-15/16" Through Hole Diam, 0.0024" Axial Runout, 0.0024" Radial Runout, Cast Iron
Item #: 93221059
Brand: Gibraltar
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 | 12 |
| Number of Jaws | 4 |
| Mount | Plain Back |
| Through-Hole Diameter (mm) | 100.00 |
| Through-Hole Diameter (Decimal Inch) | 3.9370 |
| Body Material | Cast Iron (Semi-Steel) |
| Reversible Jaws | Reversible Jaws |
| Number of Jaw Pieces | Two-Piece |
| Chuck Diameter (mm) | 325.04 |
| Chuck Diameter (Inch) | 12-51/64 |
| Adjustable | No |
| Axial Runout (Decimal Inch) | 0.0024 |
| Radial Runout (Decimal Inch) | 0.0024 |
| TIR Repeatability (Decimal Inch) | 0.0039 |
| Body Length (mm) | 169.50 |
| Includes | (2) Sets of Solid Jaws |
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