This 90° adjustable external joint is designed for 28mm lean tubes, enabling dynamic angle adjustments in assembly frameworks. It serves as a pivotal connector for modular structures such as workstations, carts, and shelving systems, offering flexibility in design while maintaining structural rigidity.

1. ​​90° Pivoting Range​​: Allows ±45° rotation after installation for adaptable configurations.
2. ​​External Clamp Design​​: Secures tubes without internal inserts, compatible with 28mm diameter lean tubes.
3. ​​Durable Material​​: Aluminum alloy body with corrosion-resistant finish for long-term use.
4. ​​Tool-Driven Installation​​: Fastens with M6 hex screws (8.8-grade strength) for rapid assembly.
5. ​​Load-Bearing Capability​​: Reinforced structure supports dynamic loads in industrial applications.