Self-drilling hollow bolt
1.Hollow &self-Drilling Anchor system
2.Combined the functions of anchoring bolt and slip casting tube into one.
3.Hollow design makes the anchoring bolt achieve the slip casting tube function, which prevent loss and erosion of
3.Hollow design makes the anchoring bolt achieve the slip casting tube function, which prevent loss and erosion of
the mortar when the slip casting tube is extracted in traditional installation.
4.Easily installation. Packing plate and nut can be installed conveniently
5. All thread
4.Easily installation. Packing plate and nut can be installed conveniently
5. All thread
6.Diameter: outside size from 25mm to 76mm