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R32 Soil Nailing Self-Drilling System Bolt Self Drilling R38 Anchor Rod
SpecificationSizeO.D(mm)I.D(mm)Ultimate Load(KN)Yield Load(KN)Weight(kg/meter)R25N-1425.014.02001502.3R32L-2232.022.02201802.8R32N-2132.021.02802302.9R32N-18.532.018.52802303.4R32S-17.532.017.53602803.5R32S-1532.0153602804.1R38N-2138.021.05004004.8R38N-1938.019.05004005.5R51L-3851.038.05504506.0R51L-3651.036.05504507.6R51N-3651.036.08006307.6R51N-3351.033.08006308.4T76N-4976.049.01600120016.5T76S-4576.045.01900150019T30-1130.011.03202603.3T30-1430.014.02752202.9T40-1640.016.06605257.1T40-2040.020.05404255.6T52-2652.026.093073010T73-5673.056.0103583010.8T73-5373.053.0116097014T73-4573.045.01600127017.5T73-3573.035.01865143021.2T103-51103.051.03660267044Steel gradeAcc. to EN10083-1 / EN10210-1Thread directionLeft hand / Right handTechnical Characteristics1.Material adopt high-strength alloy strip steel;Anchor rod
2. The installation is the simplest;Anchor rod
3.Don’t need resin cartridges;Anchor rod
4. The friction force between the friction bolt and the rock mass is large;Anchor rod
5.Bear high shear resistance and tensile strength;Anchor rod6. Equipped with high-strength plate, evenly force;Anchor rod
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Full Threaded Steel R51N Diameter 51mm Self Drilling Rock Bolt Hollow Anchor Bar Anchor Rods
Specification of Self Drilling Anchor Bolt
Specification of Self Drilling Anchor Bolt Specification R25N R32N R32S R38N R51L R51N T76N T76S Outside Diameter(mm) 25 32 32 38 51 51 76 76 Internal Diameter(mm) 14 19 16 19 36 33 52 45 Ultimate Load Capacity 200 280 360 500 550 800 1600 1900 Yield Load Capacity(kN) 150 230 280 400 450 630 1200 1500 Tensile Strength,Rm 800 800 800 800 800 800 800 800 Yield Strength,Rp0.2 650 650 650 650 650 650 650 650 Weight(Kg/m) 2.3 3.2 3.6 5.5 6.5 8 16 19.7 Thread Type(left-hand) ISO10208 ISO1720 MAIT76Standard Steel Grade EN10083-1(Alloy Structure Steel) Compared to carbon steel,alloy structure steel has high anti-corrosion capacity Anchor Plate R25N R32N R32S R38N R51L R51N T76N T76S Dimention(mm) 150×150 200×200 200×200 200×200 200×200 250×250 250×250 250×250 Thickness(mm) 8 10 12 12 20 40 40 40 Hole diameter(mm) 30 35 35 41 60 60 80 80 Weight(KG/PC) 1.4 3 3.7 3.6 8.8 18.5 18 18 Cold deformed with geometry Anchor Coupling R25N R32N R32S R38N R51L R51N T76N T76S Outside diameter(mm) 35 42 42 52 63 63 95 95 Length(mm) 120 145 160or190 180 180 200 200 200 Weight 0.45 0.7 0.75 1.4 1.7 1.9 6.4 6.4 Machined steel coupling middle stop Features
1. Drilling, Grouting and anchoring integration, installation quickly and easily.
2. Do not need to install the anchor bolt separately.
3. Grout returning structure at the bottom, optimize the grouting effect, can improve the surrounding rock.
4. For the entire stratum, the installation method is the same.
5. Drill bits in various forms fit for different stratum.
6. Wave thread rod for the whole length, the rod can be cut and connected, and suitable for narrow workplace. -
Hollow grouted IBO self drilling tunnel rock bolt mining anchor bolt
Parameter of Hollow Drilling Mining Rock Grouting Anchor Bolt
Bar R32L R32N/21 R32N/18.5 R32S R32SS Outside Diameter (mm) 32 Internal Diameter (mm) 22 21 18.5 17 15 Cross Sectional Area (mm2) 356 363 433 440 522 Ultimate Load (kN) 260 280 280 360 405 Yield Load (kN) 200 230 230 280 300 Weight (kg/m) 2.8 2.85 3.4 3.45 4.1 Thread Type ISO10208 Type of Steel EN10083-1 Thread (Left / Right hand) Left or Right Length (m) (1) x 2, x3, x4, x5, x6, x7, x8, x9 Optional of Anti-corrosion
Hot-dipped Galvanization: ISO 1461 Epoxy Coating Bending properties up to standard ISO 1519
Impact properties up to standard ASTMD 2794 Adhesion up to standared ISO 2409:2007
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hollow bar self drilling anchor bolt Factory Price hollow grouting rock bolts Micropile Tunnel grouting bolting
drillcategorymodelOuter diameter (mm)suitable for geological conditionsCross all-steel drillHSR32/5151Mudstone, gravel soil, chalk soil, lime soil, calcareous clay, artificial fill, soft mudstoneHSR32/7676Cross alloy drillHSR32/5151Soft to medium hard rock, e.g. gravel with boulders, fractured rock formations, unreinforced concretemud drillHSR32/7676Clay, soft soil, sandy soil, gravel, mixed fillBall tooth all-steel drillHSR32/5151Crushed formations, soft sandstone, limestone, gravel, soft rock formationsHSR32/7676Ball tooth alloy drillHSR32/5151Soft to medium hard weathered rock formations, boulders, gravel such as mudstone, schist, volcanic rocks, etc. -
High Strength SN Tunnel Rock Bolt Self Drilling Mining Anchor Bolt
Advantages and Characteristics as below:
5. Continuous threads ensure the bars can be cut and coupled at any point, or extended.
6. Different anchor bits are available for different ground conditions.