Self Drilling Hollow Anchor Bolt

Self Drilling Hollow Anchor Bolt R - thread , Anchor Drill R25 to T130

1. Brief Introduction:

ROSCHEN self drilling anchor bolt system is manufactured from heavy wall steel tube. The anchor bar features a hollow bore for flushing, or simultaneous drilling and grouting. The anchor bar are cold rolled to form standard thread profile. It's available in different dimensions from R25 to T130. The detailed specification of self drilling anchor bolt is shown in the table below.


2. Application:

Self drilling anchor bolt system 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, gravel layer, etc.


3. Characteristic:

1. Easy to penetrate various rocks.
2. It can be elongated by using couplers.
3. Unnecessary to be pulled out.
4. The hollow bar can be used as grouting channel.
5. Drilling, grouting and anchoring can be finished at the same time.


4. Specification:

5. Installation process:


6. Projects:

 ROSCHEN GROUP

ROSCHEN Group has the world class advanced equipment like 12000 tons forging, metal processing plant, heat treatment workshop, numerical control plant, Advanced five-axis machining center, etc. professional technical and skilled team to ensure mining, mineral tools, equipment products quality stable and reliable.

ROSCHEN Group Limited is a manufactory with years of research and development for the mining, mineral tools, equipment. We are capability to produce high performance world class products and control excellent quality. Our main product includes tricone bit, diamond core bits, drill pipe, core barrel, TCI tricone bit, mill tooth tricone bit, RC hammer, DTH bit, etc.

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