Description:
1. Sinorock self drilling hollow anchor bolt2. Hot-dip galvanized and epoxy
3. Material:EN 10083-1
4. ISO 9001:2008, CE
Features
1.Selfdrilling anchor bolt has two performance: drilling andgrouting. It features a hollow bore for flushing, orsimultaneous drilling and grouting.
2.Thesize of self drilling anchor bolt holes is between 40mm to130mm, which depends on anchor bolt size you havechosen.
3.Anchorbars with full thread can be connected easily to thelength you need.
4.Self-drillingbolt anchor is suitable for anchoring in broken geologicalcondition and narrow space, which has achieved perfecteffect.
Application
Self drilling anchor bolt system is mainly used for slopestabilization, foundation with micropiles and tunneling, it’s alsowidely used in the railway system, metro project, etc. It can beinstalled in sites with weak rocks, loose soil, weathered layer,sand with stone layer and so difficult to create a hole in complexformation. The unconsolidated ground condition favor the selfdrilling anchor bolt technique for fast and simple method ofinstalled compared to the traditional method.
The detailed information about the Sinorock self drillinganchor bolts series can be seen as follows:
Size | Weight kg | Outer Φ mm | Inner Φ mm | Cross section mm2 | Ultimate load KN | Yield Load KN | TensileStrength N/mm² |
R25N | 2.3 | 25 | 14 | 290 | 200 | 150 | 520 |
R32L | 2.7 | 32 | 22 | 340 | 220 | 180 | 530 |
R32N | 3.4 | 32 | 18.5 | 430 | 280 | 230 | 530 |
R32S | 4.1 | 32 | 15 | 520 | 360 | 280 | 540 |
R38N | 6.1 | 38 | 19 | 770 | 500 | 400 | 520 |
R51L | 7 | 51 | 36 | 890 | 550 | 450 | 510 |
R51N | 8.4 | 51 | 33 | 1070 | 800 | 630 | 590 |
T76N | 15 | 76 | 51 | 1900 | 1600 | 1200 | 630 |
T76S | 19.7 | 76 | 45 | 2500 | 1900 | 1500 | 600 |
Note: | Thread:Left or Right | ||||||
Steel grade:Acc. to EN 10083-1 | |||||||
Delivery Length(m):1~8m | |||||||
Luoyang Sinorock Engineering Material Co., Ltd is specialized inthe development, production and sales of products in thegeotechnical anchorage areas. We are proud to make good productsthat make the industries we serve safer and moreefficient.
In the process of several years of development, the products wemake are widely used in tunneling project, mining exploration,hydro engineering projects and other infrastructure constructionetc. Many customers speak highly of our products and service. Nowour customers are distributed in many countries including India,Pakistan, Nepal, Malaysia, etc. In the future, we will continue doour best to help customers finishing the projects safely andefficiently.
