Sinorock,a bolt manufacturer, benefits from the dedication and combined strength of Technical & Commercial Staff. Our quality system is certified according to the international quality standard ISO 9001:2008 encompassing rock bolt design, development, and manufacturing. 

The ability of Sinorock self drilling bolt to provide effective solutions without the need for additional casing operations enables designers, developers and contractors to construct foundations quickly and economically.

The applications of self drilling bolt provides advantages for all areas, where boreholes would require the time consumingdrilling with casing systems in unconsolidated or cohesive soil. To ensure that reliable anchorage effect of the self drilling bolt.

Generally,as an practical and reliable placing solution,self drilling bolt has been extensively applied in the mining,tunneling,foundation support,hydroelectric project and roadway support project and so on,with so many years of exploration and development,the techniques of the installation of self drilling bolt has became skillful and been trusted by our customers around theworld.