Round head long expansion screw plastic injection mould

This product features:

High strength precision mold injection molding. With good expansion effect, strong elasticity, high tensile resistance, shear resistance, impact resistance, no cracking, no rust, corrosion resistance, aging resistance. The product is beautiful and practical, small volume, large load, wide use, easy to use, quick installation, time-saving and labor-saving, our company provides three different colors of multi-jointed expansion bolts, customers can choose different colors according to their interests.  

It can be used for fixing wire trough, skirting board, frame, wiring cover and other furniture decoration.