R32N Anchor Bar Rock Self Drilling Bolts For Tunnel Pre - Support / Slope
R32N Anchor Bar Rock Support and Reinforcement Anchor Drilling Tools
Self-drilling anchor embodies drilling, grouting and anchoring as a whole.
Widely used as an efficient anchoring means, in tunnel pre-support, slope, coast, mine, water conservancy projects, building foundation, roadbed reinforcement and geological diseases treatment such as landslip, crack, sink age. It’s irreplaceable in narrow construction environment
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 | ||||||||
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.
Our services
1. Refund in case of bad quality and late delivery
2. Small order welcomed
3. Free sample is available
4. Payment by T/T, L/C, D/P, Western Union,Paypel
5. Quality assurance contract
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.