Pratt Burnerd America - 3 Jaws, 8" Diam, Self Centering Manual Lathe Chuck - Plain Back Mount Spindle, Adjustable, Reversible, 4,200 Max RPM, 2-1/4" Through Hole Diam, Forged Steel
Item #: 08573081
Brand: Pratt Burnerd America
Model #: 0825300
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 | 8 |
| Number of Jaws | 3 |
| Mount | Plain Back |
| Through-Hole Diameter (Inch) | 2-1/4 |
| Body Material | Forged Steel |
| Reversible Jaws | Reversible Jaws |
| Number of Jaw Pieces | Two-Piece |
| Chuck Diameter (mm) | 203.20 |
| Chuck Diameter (Inch) | 8 |
| Minimum Jaw Capacity (Inch) | 3/16 |
| Maximum Jaw Capacity (Inch) | 6-1/2 |
| Series | 253 |
| Adjustable | Yes |
| Jaw Type | Master Jaws |
| TIR Repeatability (Decimal Inch) | 0.0005 |
| Body Length (Decimal Inch) | 3.2500 |
| Maximum RPM | 4200 |
| Includes | Two-Piece American Standard Tongue & Groove Jaws |
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