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Home / Categories / Concrete Forming / Concrete Shoring /

Screw Jack 4x4 Galvanized Finish

SJ-4G

Ellis Manufacturing Co., Inc.

Quick Overview

15,000 Lb. Load Capacity!
For Vertical / Horizontal Support
Galvanized or Painted Finish.
Use Standard with Dressed 4x4 Lumber.
14.25" Overall Height (screwed down).
Full 6" Adjustment.
Turn "U" Shaped Handle to Adjust Height
Screw is Greased for easy tuning and to prevent rusting.
Base Plate will not turn with screw and 4 holes are provided to secure it to a solid foundation.
Proper bracing required Prevent lateral shifting.
Always Secure to a Solid Foundation.
Lift up to 1800 lbs by hand or 4000 lbs. w/ a 2x4x6' piece of lumber placed between screw and handle for extra leverage.

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Details

Caution, the acme screw of the 4x4 Scre Jack will completely separate from the acme nut if screwed out too far. Do not extend the acme screw past the maximum adjustment of 6". This will insure that the threads of the acme nut will be used to support a heavy load.

Additional Information

Manufacturer: Ellis Manufacturing Co., Inc.

For More Information on the Screw Jack 4x4 Galvanized Finish, [Click Here] to Link to Manufacturer Web Site