Value Collection MJ01 Machinist Jack 1000 Lb 3-4 in

Product Description

The VALUE COLLECTION MJ01 is a machinist jack screw designed to provide adjustable support for workpieces during machining, grinding, and inspection operations. It adjusts from a minimum height of 3 inches to a maximum height of 4 inches, with a load capacity of 1,000 pounds. The threaded screw design allows for precise height setting so machinists can achieve stable, repeatable support under irregularly shaped or cantilevered parts. This type of jack is a standard tool in machine shops and precision fabrication environments and is typically used alongside a matched set to distribute workpiece load.

The MJ01 is suited for use in machine shop environments where controlled workpiece support is needed on mill tables, surface plates, and inspection fixtures. It handles loads up to 1,000 pounds and provides a stable footing through its height-adjustment range. Single-piece construction makes it easy to deploy individually or in groups as the job requires.

Key Features

• Adjustable height range from 3 inches to 4 inches for flexible workpiece support
• 1,000 pound minimum load capacity for use with substantial workpieces
• Threaded screw design allows fine height adjustment
• Compact overall height of 4 inches suits low-clearance setups
• Sold as a single unit for mix-and-match set configurations

Compatibility

Designed as a standard machinist jack screw for general-purpose use on mill tables, surface plates, and precision inspection fixtures where adjustable workpiece support is required.

Installation Notes

Machinist jack screws are installed and adjusted by machinists and toolroom technicians. Before placing the workpiece, ensure the jack base is clean and seated flush on the work surface to prevent tipping. Adjust the screw height before applying the full workpiece load, and verify stability at all contact points prior to beginning any machining operation. Never exceed the rated load capacity of the jack.