Adjustable Screw Jack Set 2.63in-3.93in 5 Ton Capacity - 4 Pack

In this review the reviewer evaluates a set of four adjustable screw jacks designed for heavy machine leveling and support. The pack is aimed at machinists, shop owners, and riggers who need a compact, strong support that adjusts between about 2.63in and 3.93in; the single biggest reason to buy is the combination of robust 45 steel construction and a rated capacity of about 5 tons per jack, which makes these jacks a practical choice for stabilizing large milling or drilling machines and other heavy tooling.

Key Features

• Four jacks per package: Receiving a set of four allows simultaneous use under a single machine or provides spares for future projects and maintenance.
• 45 steel construction: The sturdy material gives the posts wear resistance and dependable stability when supporting heavy equipment in a workshop environment.
• Adjustable height range: An adjustable span from about 2.63in to 3.93in provides flexibility to fine tune machine level and take up unevenness on shop floors.
• High load capacity: Each jack is rated to carry up to about 5 tons, making them suitable for large milling machines, drilling machines, and die processing fixtures.
• Versatile application: These screw jacks work as leveling supports, pressing pads, or general machine tool stands across a variety of industrial tasks.

Who It's For

This product is well suited for machinists, small machine shop owners, and maintenance crews who need reliable, compact supports for heavy equipment. The set is practical when multiple contact points are required under a single machine or when having backups on hand reduces downtime.

Those who should look elsewhere include users who need very large adjustment travel beyond the stated 2.63in-3.93in range, and operators who require integrated wheels, hydraulic action, or a different mounting style not provided by simple screw jacks.

Pros & Cons

Pros

• Solid build and materials give confidence for long-term use with heavy machines.
• High individual load capacity makes them suitable for demanding industrial tasks.
• Supplied as a set of four, which is convenient for multi-point support or spares.

Cons

• Limited adjustment range to about 2.63in-3.93in may not suit installations needing greater lift.

Specifications

Package quantity	4 adjustable screw jacks
Material	45 steel
Height range	About 2.63in to 3.93in
Load capacity	About 5 tons (per jack)
Primary use	Leveling and support for milling and drilling machines

Our Verdict

The set of four adjustable screw jacks is a practical, durable option for workshops needing compact, high-capacity supports. For routine leveling, die processing pads, and multi-point machine support the combination of 45 steel construction and an about 5 ton capacity per jack offers clear value for money, provided the modest adjustment range meets the job requirements.

Frequently Asked Questions

Can these jacks support a single heavy machine?
Yes, using multiple jacks from the set under strategic points will support large milling or drilling machines within the stated capacity limits.

What is the adjustment range?
The screw jacks adjust from about 2.63in up to about 3.93in to allow fine leveling.

What material are the jacks made from?
The posts are constructed from robust 45 steel for strength and wear resistance.