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51mm Slope Stabilization Technique Self Drilling Grouting Anchor Bar R51N/31

Supanchor Rock Reinforcement Co., Ltd.
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51mm Slope Stabilization Technique Self Drilling Grouting Anchor Bar R51N/31

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Brand Name : SupAnchor

Model Number : R51N/31

Certification : ISO, SGS, ITB, IBDIM

Place of Origin : Jiangsu, China

MOQ : 3 meters

Price : 1 - 30 USD

Payment Terms : L/C, T/T

Supply Ability : 200,000 meters per month

Delivery Time : 1 to 6 weeks

Packaging Details : Packed in bundle with package paper.

Name : SupAnchor R51N/31 Self Drilling Bar

Thread Type : ISO 1720

O.D. (mm) : 51

I.D. (mm) : 30.6

Ultimate Load (kN) : 800

Yield Load (kN) : 630

Cross Sectional Area (mm2) : 1,070

Unit Weight (Kg/m) : 8.40

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 Features

SupAnchor® is the No.1 manufacturer and exporter of self-drilling anchors in Asia. The self drilling anchor system is a bolting solution for difficult ground and rock conditions.Self drilling anchor system consists of a sacrificial drill bit, hollow steel bar of the appropriate outer and inner diameter and coupling nut and plate.

The system enables drilling and grouting in one operation, making much saving in jobsite and project time.

 Applications

1. Stabilization of tunnel portals

2. Foundation for avalanche protect

3. Radial systematic anchoring

4. Spilling

5. Root piling

6. Mining

7. Soil nailing

8. Slope stabilization

 Technical Data 

Anchor Rod R51L/36 R51L/34 R51N/33 R51N/31 R51/950 R51/660
Outside Diameter (mm) 51cc 51 51 51 51 51
Internal Diameter (mm ) 35.5 34 33 30.6 30.6 33
Cross sectional area (mm2) 802 890 968 1070 1070 968
Ultimate load (kN) 550 550 800 800 950 660
Load at 0.2% Yield (kN) 450 450 630 630 760 540
Weight (kg/m) 6.30 7.00 7.60 8.40 8.40 7.60
Type of steel 40Cr / 20Cr / Q345B
Elongation % Agt ≥ 5%, A100mm ≥ 12% / 10% / 8% / 6%, A200mm ≥ 10% / 6% ...
Thread type ISO 1720 - R51 / Left or Right
Length (m) (1) x 2, x3, x4,
cOptions of Anti-corrosion

Hot-dipped Galvanization / Epoxy Coating / SupCoat
*Hot-dipped Galvanization: ISO 1461.
*Epoxy Coating: Bending properties up to standard ISO 1519;

Impact properties up to standard ASTMD 2794;
Adhesion up to standard ISO 2409:2007.
*SupCoat: HDG + EC

 

 Anchor Bar and Accessories 

51mm Slope Stabilization Technique Self Drilling Grouting Anchor Bar R51N/31

 

 Job sites 
51mm Slope Stabilization Technique Self Drilling Grouting Anchor Bar R51N/31

51mm Slope Stabilization Technique Self Drilling Grouting Anchor Bar R51N/3151mm Slope Stabilization Technique Self Drilling Grouting Anchor Bar R51N/31

 

 

 SubNumbers 

 

10 Years - The average seniority > 10 years, which is not common in anchor manufacturing industry.

20 Years20 years of exporting experience, familiar with different product standards from different

                   customers and countries.

26 Years26 years of exploration and development, SupAnchor has become the No.1 SDA bar

                   manufacturer in Asia.

60 Countriescustomers from 60 countries. Our self drilling anchor systems have been used by

                    customers from 50 countries all over the world, including America, Chile, Germany,

                    Australia India, etc.

1,500 ProjectsSupAnchor’s products have been widely used in over 1500 massive projects.

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