SINODRILLS Multi Function R38N 19mm R Thread Hollow Bar Self Drilling Anchor Bar Drill Rod Expansion Shell Rock Bolt

Self drilling anchor bolt combines drilling, grounting and anchoring together. It ensures the anchoring effect in complex ground conditions. It's safe, reliable and efficient.

SINODRILLS Multi Function R38N 19mm R Thread Hollow Bar Self Drilling Anchor Bar Drill Rod Expansion Shell Rock Bolt

1.Anchor Bar Thread 

R Thread size : R25 R32 R38 R51 T76 T111

T Thread size : T30 T40 T52 T73 T76 T103 T127 T130
Thread standard : ISO10208 ISO1720

2.Anchor Bar corrosion resistance technology

1) Hot-dipgalvanized : ENSISO1461:2009

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.

Sinodrills 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 from Sinodrills Anchoring are designed for optimized installation, tailored to the project’s needs.

Sinodrills 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, Sinodrills self-drilling anchors are a top productivity solution.

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 effextively enhance the stability of soil and rock mass.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 effextively 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.

Guizhou Sinodrills Equipment Co., LTD (abbreviated as GSE) is 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:

Top-hammer (TH) drilling
Down the hole (DTH) drilling
Self-drilling anchors
Drag bits

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.

More than just drills, We deliver reliability

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 Sinodrills, 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!

Comprehensive and robust supply system
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.

OUR QUALIFICATIONS
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

At Sinodrills 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.