Sinorock hollow bar system manufactured for various constructions

02/apr/2017 05:47:29 hollowbar Contatta l'autore

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The hollow anchor bolt system is comprised of a hollow threaded bar with an attached drill bit that performs drilling, anchoring and grouting in a single operation. The hollow bar allows air and water to freely pass through the bar during drilling to remove debris and then allow grout to be injected immediately after drilling is completed. Grout fills the hollow bar and completely covers the entire bolt. 

Couplers can be used to join hollow bars and extend the bolt length while nuts and plates are used to provide the required tension. The Self drilling rock bolts are known for their excellent load capacity and are available in Normal (N) and Special (S) types with diameters from 1 to 4 in. (25 to 103 mm).

The hollow anchor bolt is a reliable and convenient anchoring system which is applied in complicated geological conditions for rock support work. It is particularly applied in the following geological conditions, such as weathered rock, gravel layer, backfill, hard conglomerate, etc. The hollow anchor bolt is widely used in tunneling, the full seam gateway of the mine.

Sinorock supplies a wide range of capital equipment and anchor bolt for the global ground engineering markets.Sinorock will continue its rock bolting business within underground mining through manufacturing and distribution of anchor bolts.Sinorock will also continue to sell self drilling bolt in selected markets and applications.

Sinorock can handle both large quantity self drilling hollow bar system orders in the hundreds of thousands for the manufacturing industry and small orders for local repair shops. We service the mining industry, tunneling, slope foundation, hydroelectric, off road equipment dealers and manufacturing companies. Our customer service area is all of Nevada, including Las Vegas, and Elko, as well as Northern California.

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