Automatic expansion connecting nut -- global patented product

※ Reinforcement design, after driving into the board, the wall board and the screws seamlessly fit
※ The inner wall is automatically locked, and the spring plate is not required for automatic locking
※ Expansion reinforcement design, screw into automatic expansion
※ After expansion, the whole is stable and reliable, violent disassembly is invalid
※ Automatic nut locking screws, durable, not easy to slip wire, replace the traditional internal and external teeth
※ New product design, multiple styles to choose from

For more details, welcome to visit our website：www.e-shining.cn or www.e-shining.com
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