Booka Tool
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Self drilling anchor bolt combines drilling, grouting and anchoring together. It ensures the anchoring effect in complex ground conditions. It's safe, reliable and efficient.
R Thread size: R25, R32, R38, R51, T76, T111
T Thread size: T30, T40, T52, T73, T76, T103, T127, T130
Thread standard: ISO10208, ISO1720
1) Hot-dip galvanized: EN ISO 1461:2009
2) Epoxy coated
The Self Drilling Anchor system is comprised of a hollow threaded anchor bar with a sacrificial drill bit that performs drilling, anchoring and grouting in a single operation. Self drilling anchor system is mainly used in slope stabilization, tunneling pre-support, foundations with micro piles etc jobs, which is widely used in mining, tunneling, railway, metro construction etc projects.
Self Drilling Anchor Bolts are a bolting solution for unstable ground conditions such as sand, gravel, silt, and clay, and in soft to medium fractured rock formations. For projects facing such ground conditions, self-drilling anchors should be considered as the main productivity solution. Self-Drilling Anchors are designed for optimized installation, tailored to the project’s needs.
A self-drilling anchor bolt is composed of a hollow anchor bolt, anchor nut, anchor plate, anchor coupler, drill bit, and centralizer. By drilling a hole in collapsing soil or loose rock, with an efficient hollow bar and a drill bit, and after the drilling operation injecting grout into the hollow bar and surrounding cavity, self-drilling anchors are a top productivity solution.
| Size | O.D (mm) | I.D (mm) | Ultimate Load (KN) | Yield Load (KN) | Weight (kg/meter) |
|---|---|---|---|---|---|
| R25N-14 | 25.0 | 14.0 | 200 | 150 | 2.3 |
| R32L-22 | 32.0 | 22.0 | 210 | 160 | 2.8 |
| R32N-21 | 32.0 | 21.0 | 280 | 230 | 2.9 |
| R32N-18.5 | 32.0 | 18.5 | 280 | 230 | 3.4 |
| R32S-17.5 | 32.0 | 17.5 | 360 | 280 | 3.5 |
| R32S-15 | 32.0 | 15.0 | 360 | 280 | 4.1 |
| R32SS-14 | 32.0 | 14.0 | 450 | 350 | 4.3 |
| R38N-21 | 38.0 | 21.0 | 500 | 400 | 4.8 |
| R38N-19 | 38.0 | 19.0 | 500 | 400 | 5.5 |
| R38S-18 | 38.0 | 18.0 | 560 | 460 | 6.0 |
| R51L-38 | 51.0 | 38.0 | 550 | 450 | 6.0 |
| R51L-36 | 51.0 | 36.0 | 550 | 450 | 7.6 |
| R51N-36 | 51.0 | 36.0 | 800 | 630 | 7.6 |
| R51N-33 | 51.0 | 33.0 | 800 | 630 | 8.4 |
| R51S-30 | 51.0 | 30.0 | 930 | 730 | 9.4 |
| T76N-49 | 76.0 | 49.0 | 1600 | 1200 | 16.5 |
| T76S-45 | 76.0 | 45.0 | 1900 | 1500 | 19.0 |
| T30-11 | 30.0 | 11.0 | 320 | 260 | 3.3 |
| T30-14 | 30.0 | 14.0 | 275 | 220 | 2.9 |
| T30-16 | 30.0 | 16.0 | 245 | 190 | 2.7 |
| T40-16 | 40.0 | 16.0 | 660 | 525 | 7.1 |
| T40-20 | 40.0 | 20.0 | 540 | 425 | 5.6 |
| T52-26 | 52.0 | 26.0 | 930 | 730 | 10.0 |
| T73-56 | 73.0 | 56.0 | 1035 | 830 | 10.8 |
| T73-53 | 73.0 | 53.0 | 1160 | 970 | 14.0 |
| T73-45 | 73.0 | 45.0 | 1600 | 1270 | 17.5 |
| T103-78 | 103.0 | 78.0 | 2270 | 1800 | 25.0 |
| T103-51 | 103.0 | 51.0 | 3600 | 2670 | 44.0 |
| Thread Design & Standard Information | |||||
| Thread direction | Left hand / Right hand | ||||
| Thread standard | ISO 10208 / ISO1720 / Other international standards | ||||
Self drilling anchor bolt system is mainly used for tunnel and underground engineering, slope engineering, ground and foundation engineering. It can be used for pre-construction support and can effectively enhance the stability of soil and rock mass.
Self drilling anchor bolt is composed by hollow anchor bolt, anchor nut, anchor plate, anchor coupler, drill bit, centralizer, and the hollow anchor bars can be cut and lengthened by coupling on request. Customized products are also available based on your specific requirements.
We are an international market-oriented enterprise specialized in manufacturing, supplying and services of rock drilling tools industry. Owning two factories and working in close collaboration with another two strategic cooperative partners, we supply a full range of drilling product, including four categories as below:
Founded in 2002, we have experienced an enormous change and development over the past decade. In virtue of reliable quality, competitive pricing, professional and valuable service, we now have grown to be a leading supplier in drilling industry. As a modern corporation, we operate strictly in compliance with the ISO9001 quality management system, and some of our products have passed European CE certification. We always adhere to the principle of "Sincerity-oriented, Credibility first", and we have been classified as a 3AA2 enterprise by the world famous credit rating agency - Dun & Bradstreet. By the end of 2016, our products had been sold into 95 countries, such as Germany, France, Sweden, USA, Canada, Italy and Spain, meanwhile, we are gaining recognition and praise from a growing number of clients.
We are constantly improving our production processes and using high-quality raw materials to produce higher quality drills. However, we understand that no drill can handle all the challenges posed by different types of rocks. When these problems arise, your biggest concern is whether you can get a quick response and reasonable solutions from suppliers. Suppliers may be negligent, delaying, or even ignoring your concerns.
We deeply understand your concerns, which is why we always adhere to an efficient and responsible attitude to provide you with comprehensive service. Whether it's pre-sales, in-sales, or after-sales, our goal is to help you reduce drilling costs per meter and ensure that you can confidently make every purchase.
By choosing us, you not only get excellent product quality but also enjoy a worry-free service experience. Let's face challenges together and build a path to success!
As a one-stop supplier of rock drilling tools, we offer a wide range of drilling tools to meet all of your needs. Whether you require Top hammer, DTH drilling, self-drilling anchor tools or drag bits, we have everything you need to get your job done. Our comprehensive selection of products is designed to help you maximize efficiency and productivity, while ensuring your safety and satisfaction.
• ISO45001:2018 Health and Safety management system
• ISO9001:2008 Quality management system
• Dun & Bradstreet 3AA2 Certificate
• SGS Certificate for Self-drilling anchor bolts
• 1 Invention Patent Certificates
• 14 Utility Model Patent Certificates
We give great importance to three things: always being a reliable partner, keeping our products cost effective and providing fast solutions whenever our customer is in need.
The self-drilling anchor bolt system combines drilling, grouting, and anchoring into a single step, ensuring safe, reliable, and efficient operations even in highly complex ground conditions where borehole collapse is common.
We support multiple thread standards, including ISO 10208 and ISO 1720. R-thread options range from R25 to T111, while T-thread options span from T30 to T130, ensuring compatibility with varying structural requirements.
Our anchor bars offer hot-dip galvanization conforming to EN ISO 1461:2009 standards, as well as high-durability epoxy coating systems for long-lasting corrosion resistance.
They are highly recommended for unstable soil and rock formations such as sand, gravel, clay, silt, and fractured soft-to-medium rock profiles where borehole stability cannot be maintained during conventional drilling.
Our products are manufactured under strict ISO 9001:2008 and ISO 45001:2018 management systems, are CE-compliant, and have been certified by SGS for reliability and performance.
