Description
Through-Hole Leveling Jacks
are designed for precise leveling at a desired clamping point. Clamping is achieved by tightening a bolt inserted through the workpiece and through the inside diameter of the leveling jack, after the desired level is set. The static load due to tightening the mounting bolt also securely locks the jack’s rotation. These leveling jacks consist of a threaded upper sleeve and a tapped lower sleeve, with a fine thread that allows precise setting. An anti-rotation disk serves as a positive limiter for maximum height. A spanner wrench can be used for additional leverage.
Application Information
Clamping is achieved by tightening a bolt inserted through the workpiece and through the inside diameter of the leveling jack, after the desired level is set.
Material
| Material | Heat Treat | Finish |
| 4140 Alloy Steel | – | Zinc Plated Blue Passivated |
Parts Specification
| Center Bolt Size (Inch) | Height Adjustment Range (Inch) | A Diameter (Inch) | B Diameter (Inch) | D Min (Inch) | D Max (Inch) | E (Inch) | F Thread | Maximum Static Load After Standard Bolt Preload (lbs) |
| 1/2″ or M12″ | 0.27″ | 1.77″ | 0.53″ | 0.87″ | 1.14″ | 0.28″ | M30x1.5 | 18000 lbs |
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