Advantages
Large chamfer design makes rebar insertion easier and faster.
High connection strength, stable and reliable performance.
Effectively reduces thread damage during installation.
Simple operation, improves construction efficiency.
Good universality, suitable for various rebar diameters.
Safe and durable, widely used in concrete structures.

Application Scenarios and Positions

1. Areas with dense steel bars and difficult operation (most practical)
Core areas of beam-column joints, dark columns and coupling beams of shear walls where steel bars are too dense and hard to align
2. Nighttime construction, basements, and environments with poor lighting, such as basements, garages, and dark spaces
3. Large-diameter steel bars (Φ25 and above)
Large steel bars are heavy, hard to move and align. The use of expanded mouth sleeves significantly reduces labor intensity.
4. Projects that pursue construction efficiency and minimize rework
Projects with tight schedules, where general contractors require fast progress, and where there is a need to reduce broken threads, misaligned couplings, and rework. The overall cost of using expanded mouth sleeves is lower.

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