KATDRILLS R51 Self-Drilling Anchor System
The R51 self-drilling anchor system is a professional and integrated anchoring solution for geotechnical engineering. It combines drilling, grouting and anchoring in one operation without extra casing pipes.
It is widely used in slope stabilization, tunnel support, foundation reinforcement and mine construction. With high strength and good stability, it performs well in loose and broken ground. It is easy to construct, highly efficient and reliable, making it a popular choice for engineering support projects.
R51 Self-Drilling Anchor Bolt
|
Size |
O.D (mm) |
I.D (mm) |
Sectional Area (mm²) |
Ultimate Load (kN) |
Yield Load (kN) |
Agt |
Weight (kg/meter) |
|
|
R51 |
R51L-38 |
51.0 |
38.0 |
760 |
550 |
450 |
＞6% |
6.00 |
|
R51L-36 |
51.0 |
36.0 |
970 |
550 |
450 |
＞10% |
7.60 |
|
|
R51N-36 |
51.0 |
36.0 |
970 |
800 |
630 |
＞6% |
7.60 |
|
|
R51N-33 |
51.0 |
33.0 |
1070 |
800 |
630 |
＞10% |
8.40 |
|
|
R51S-30 |
51.0 |
30.0 |
1160 |
930 |
730 |
＞10% |
9.10 |
|
|
Thread direction |
Left hand |
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|
Thread standard |
ISO 1720 |
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R51 Self-Drilling Anchor Coupler
|
Thread size |
Length(mm) |
Out Diameter(mm) |
Unit Weight(kg) |
|
R51 |
140.0 |
63.0 |
1.4 |
|
200.0 |
63.0 |
2.0 |
|
|
Thread direction |
Left hand |
||
|
Thread standard |
ISO 1720 |
||
|
Hardness (HRC) |
HRC25 ~ HRC30 |
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R51 Self-Drilling Anchor Nuts
|
Size |
SW (mm) |
L (mm) |
Unit Weight (kg) |
|
Hexagonal Nut |
|||
|
R51 |
75 |
70 |
1.55 |
|
Spherical Nut |
|||
|
R51 |
75 |
70 |
1.60 |
|
Steel grade |
As per request |
||
|
Thread direction |
Left hand |
||
|
Thread standard |
ISO 1720 |
||
|
Hardness (HRC) |
HRC25 ~ HRC30 |
||
R51 Self-Drilling Anchor Plate
|
Size |
Solid Plate |
||
|
A x A x B (mm) |
D (mm) |
Weight (kg) |
|
|
R51 |
200 x 200 x 30 |
56 |
9.0 |
|
250 x 250 x 40 |
56 |
18.5 |
|
|
Note |
Other dimensions are available upon request. |
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Application
Suitable for medium and hard rock, widely used in railway, highway, hydropower and other construction, as well as metallurgy, coal and other fields.
Advantages
- High efficiency and low energy consumption
- Heavy-duty, stable and durable
- Suitable for medium-hard to hard rock (f=8–18)
- Flexible matching with different air legs
- Supports both dry and wet drilling
- Easy to operate and maintain
Our Service
At KAT Drilling Tools, we deliver customer-centric solutions for mining, construction, exploration, and oil & gas sectors-covering the full drill tool lifecycle.
Customized Design & Manufacturing
Bespoke drill bits/rods tailored to your drilling conditions, compliant with API/ISO standards. Rapid prototyping and batch production available.
Quality Control & Testing
Rigorous raw material, in-process, and final performance inspections. Detailed quality reports for every batch.
Technical Consultation & Support
Expert advice on tool selection, on-site training, and real-time troubleshooting to minimize downtime.
After-Sales Maintenance & Repair
Cost-effective maintenance, professional repair, and fast spare parts supply to extend tool lifespan.
Logistics & Supply Chain
Flexible delivery (bulk/JIT/emergency), secure packaging, and full customs/documentation support for global trade.
Long-Term Partnership
Customized service packages, dedicated account management, and continuous optimization based on your feedback.
Why choose us?
At KAT Drilling Tools, we stand out as your trusted drill tool partner for core advantages that deliver real value:
1. One-Stop Drill Tool Supply
2. Uncompromising Quality
3. Competitive Cost-Effectiveness
4. Professional Technical Support
5. End-to-End Service
6. Global Reliability
7. Trusted Long-Term Partnership
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