Spi 97-954-2 Screw Jack Set 1000 Lb 7 Piece

Product Description

The SPI 97-954-2 is a 7-piece screw jack set designed for supporting, leveling, and positioning workpieces during machining, inspection, and layout operations. The set provides a measuring range of 2.25 inches to 3.375 inches in height, with an overall height of 6.375 inches and a base diameter of 1.25 inches. Each jack is rated at 1,000 lb capacity, making the set suitable for supporting moderate-weight parts on surface plates, milling fixtures, and inspection setups. The set includes a plastic storage case for organized transport and use in the shop or field.

Screw jack sets are used in precision metalworking and manufacturing environments where workpieces must be raised, leveled, or held at a consistent height. Typical applications include supporting castings, weldments, and machined parts during layout and inspection on surface plates, as well as fixture setups on milling and grinding machines. The 7-piece configuration allows technicians to distribute support across multiple points on irregular or large workpieces. This set is suited for use by machinists, toolmakers, and metrology technicians in job shops, production facilities, and maintenance departments.

Key Features

• 7-piece set with 1,000 lb capacity per jack for stable multi-point workpiece support
• Adjustable height range from 2.25 inches to 3.375 inches to accommodate varying workpiece geometries
• 6.375-inch overall height provides a stable base with adequate vertical reach
• 1.25-inch base diameter for a compact footprint on surface plates and fixture tables
• Includes plastic storage case for organized storage and transport

Compatibility

Designed as a general-purpose screw jack set for use in precision machining, inspection, and layout applications where adjustable workpiece support is required.

Installation Notes

Screw jacks should be positioned on clean, flat surfaces to ensure accurate leveling and consistent load distribution. Verify that the combined jack capacity is appropriate for the total workpiece weight before beginning setup. Adjust each jack individually to achieve a stable, level support plane before securing the workpiece or beginning measurement operations. Store the set in the included plastic case to protect the jacks from contamination and physical damage.