Sinorock Self drilling hollow bar is used for rock bolting and grouting in softer rocks

19/lug/2016 10:08:21 hollowbar Contatta l'autore

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Self Drilling hollow bar use a hollow thread bar with a sacrificial drill bit which is drilled into the ground using grout as a flushing medium. This results in a grout body within the ground containing a high tensile steel bar. Corrosion is taken into account by typically over-specifying the bar with a sacrificial corrosion allowance and/or by the use of special coatings.

Comprised of the Hollow Bar, drill bit and other fittings,the Sinorock Self drilling hollow anchor bar can enable the hole drilling and grouting to be done in one single cycle. It can eliminate the use of a casing to support the drilled hole which is easy to collapse and offer higher rates of installation than the regular rock bolts. The Sinorock Self drilling hollow bar is used for rock bolting and grouting in softer rocks where there is loose ground or sections prone to collapse. 

self drilling hollow bar

Sinorock is registered in China,serves the world in the areas of self drilling hollow bar support and reinforcement technology.Sinorock supplies quality self drilling hollow bar syetems which are made by her manafacture base in China,who is a certified factory according to ISO9001:2008 to our global clents with a competive price. Products are also with CE certification.

Combined with quality service and competitive pricing. We promise that we will try to ensure that our customers have a satisfying and productive experience every time they call our sales office or visit one of our websites.

If you have a custom need, can't find a product, or are facing a difficult problem in the field, we'd love to know about it and do our best to help. Please feel free to contact us and we'll get back to you at once.
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