Hollow drilling rock bolt from Sinorock

Hollow drilling rock bolt from Sinorock

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Hollow drilling rock bolt from Sinorock

Self drilling hollow bolts are now commonly used with a range of harder drill bits. The Sinorock provides practical hollow drilling rock bolt that is quick and easy to install through fractured or broken ground. Air or water flush percussive drilling is normally employed for installation, followed by subsequent grout injection through the bore of the bar. Injected grout provides the bond for the Sinorock hollow drilling rock bolt and also helps to consolidate fractured ground. For mining applications,the Sinorock hollow drilling rock bolt system is used as self-drilling rock bolts in areas of high stress at pillars, cross heads or abutments. Other applications include the use of the self-drilling bar as an injection conduit for resin, grout or waterproofing agents.

Sinorock has built a strict quality control system which has been applied in the whole manufacturing process. Every single product will be tested strictly in the factory laboratory to guarantee that all of the products delivered to customers are qualified and reliable. Because of the high quality reliable products and excellent service Sinorock won great reputation all over the world and has exported products to Asia, Oceania,Europe, Africa, North America, South America.

Hollow drilling rock bolt