Scaffolding Leveling Base Jack (Solid & Hollow Screw Jacks)
Our scaffolding leveling base jacks—available in both heavy-duty solid and hollow (tubular) steel spindles—provide essential…
Welcome to a leading Steel Prop and Acro Jack manufacturer in China. Based in Tianjin—the heart of China’s steel industry—we specialize in the mass production of premium adjustable shoring props for global construction markets. Known regionally as Acro Jacks, shore posts, or scaffolding props, these robust load-bearing tools are essential for securing concrete formwork, temporary beams, and reshoring structures.
By sourcing directly from our factory, international contractors and scaffolding rental enterprises eliminate middleman margins while guaranteeing consistent product quality. Whether you require light-duty props for residential renovations or heavy-duty Acro Jacks for major infrastructure, our ISO-certified facility provides comprehensive OEM customization, utilizing high-grade Q235/Q345 steel and advanced anti-corrosion treatments (Galvanized, Powder Coated, or Painted).
| Technical Category | Specification Details |
| Product Name | Adjustable Steel Prop / Acro Jack / Shore Post |
| Regional Types | Middle East Type, Spanish Type, Italian Type (Light/Heavy Duty) |
| Inner Tube OD | 40mm / 48mm |
| Outer Tube OD | 48mm / 56mm / 60mm |
| Wall Thickness | 1.5mm, 1.8mm, 2.0mm, 2.5mm, 3.0mm |
| Adjustable Range | 1.6m-3.0m, 2.0m-3.6m, 2.2m-4.0m, 3.0m-5.0m (Customizable) |
| Material Grade | High-Yield Q235, Q345 Carbon Steel |
| Base / Top Plate | 120x120mm / 150x150mm (Thickness: 4mm - 8mm) |
| Surface Treatment | Dip Painted, Powder Coated, Electro/Hot-Dipped Galvanized |
| Pin Types | G-Pin, Line Pin, Chain Pin |
A: Yes. As a direct manufacturer, we frequently customize the tube diameters (e.g., 48mm inner / 60mm outer) and material thicknesses (up to 3.0mm+) to fully comply with BS4074 and other demanding regional load-bearing safety standards.
A: To provide the best direct-factory pricing, our standard MOQ is one full 20ft container (approximately 1,500 to 2,500 pieces, depending on the prop’s weight and length).
A: Absolutely. We offer professional powder coating and painting services. You can specify the exact RAL color code and even have your company logo stamped or stickered on the props.