The self drilling ancor bar is a kind of hollow bar that is full of international standard thread,it contains couplings,anchor head,anchor nut,anchor plate and you should know that the anchor bolt can be lengthended or cut at any part according to our clients specific requirements.
Due to the special configuration of self drilling hollow bar,here are some benefits especially for civil constructions.
1)High-efficiency:the self drilling hollow bar provides a great effect for the operation with its capability of combining drilling,anchoring and grouting together in a single anchoring process,this kind of method is reliable,versatile,convenient,energy-saving,time-saving and so on.
2)It is suitable for complicated rocks where it's hard for the drill machine to operate a borehole,such as loose soils,broken rocks,standy,gravel and so on.
If you have any question please don't feel any hesitate to contact us at at time,we have most professional sales and after-sales group waiting for you!
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