HLM 4×4 Screw Jack,Heavy-duty Structural Support for Permanent | Weight:12lb | Load Capacity: 15,000 lb
HLM INDUSTRY 4×4 Screw Jack
A versatile adjustable support system designed for use with standard 4×4 lumber, ideal for both temporary and permanent structural applications across residential, commercial, and emergency shoring projects.
- Material:Steel
- Finish: Galvanized or Powder Coated
- Load Capacity: 15,000 lb
- Lumber Compatibility: Standard/nominal/dressed 4×4 lumber (3.5″ sq.), cut square (true-cut lumber not recommended)
- Height Range: 14.25″ min. (fully retracted), 6″ max. adjustment via 1.25″ diameter Acme screw
- Operation:Manual adjustment with U-shaped handle (1,800 lb. lifting capacity). Increased leverage (4,000 lb. capacity) using 2x4x6’ lumber as a cheater bar
- Maintenance: Pre-greased screw for smooth operation and rust prevention
- Installation: Base plate with 4x 5/16″ holes for secure anchoring
- Critical: Always anchor to a solid foundation and brace laterally
- Safety Lock: 6mm Allen wrench-tightened lock nut to prevent unintended adjustments
- Performance Benefits: Dual-Point Load Distribution, Rigid Interlock Stability for High-Frequency Formwork Cycling
- 4×4 Screw Jack is constructed from high carbon steel and designed for long-lasting durability.
4×4 Screw Jack, Engineered with Dual-Lead Precision Screw Technology for Sub-Millimeter Shoring Accuracy in Mission-Critical Concrete Structures
HLM INDUSTRY – China Manufacturer, Supplier and Factory
4×4 Screw Jack | Heavy-Duty Cast Alloy Construction with Dual-Threaded Precision Screw for Millimeter-Accurate Shoring in Critical Structural Applications
Welcome to buy the newest and cheapest 4×4 Screw Jack from HLM INDUSTRY. We are one of the leading manufacturers and suppliers in China, offering wholesale, OEM services, and discounted pricing. With CE certification, our in-stock products are manufactured to the highest standards in China, ensuring premium quality at competitive prices. Feel free to request a free sample.
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