High-Strength Self-Drilling Anchor Bolt System
High-strength anchor bolts are geotechnical support components with exceptional mechanical performance, high tensile strength, and superior pull-out resistance. They are designed to withstand higher loads and complex stress conditions, reinforcing the ground and transferring loads to maintain the stability of structures such as slopes, excavations, and tunnels.
Key Features of High-Strength Products
High-strength products achieve enhanced mechanical performance through premium high-strength materials and specialized heat-treatment processes, with tensile strength reaching 900–1,200 MPa or higher. Compared with conventional products, they can reduce the amount of steel required and lower construction costs while supporting higher loads at the same cross-sectional dimensions. Their key advantage lies in combining high material strength with practical engineering performance to ensure reliable structural stability.
Hollow Anchor Bar
| Size | Outer Dia. | Ultimate Load | Tensile Strength (UTS | Yield Load | Yield Strength | Weight | ||||
| mm | in | KN | Kips | MPa | kN | Kips | MPa | kg/m | Lbs/ft | |
| SGR51 | 51 | 2.01 | 1200 | 270 | 933 | 1000 | 225 | 777 | 10.10 | 6.79 |
| SGR32 | 32 | 1.26 | 280 | 63 | 845 | 230 | 52 | 694 | 2.60 | 1.75 |
| SGR38 | 38 | 1.50 | 500 | 113 | 981 | 400 | 90 | 785 | 4.00 | 2.69 |
| SGR51 | 51 | 2.01 | 800 | 180 | 897 | 600 | 135 | 673 | 7.00 | 4.70 |
| SGR32 | 32 | 1.26 | 500 | 113 | 924 | 450 | 101 | 831 | 4.25 | 2.86 |
| SGR25 | 25 | 0.98 | 200 | 45 | 924 | 150 | 34 | 693 | 1.70 | 1.14 |
| SGR51 | 51 | 2.01 | 1200 | 270 | 1018 | 1000 | 225 | 849 | 9.25 | 6.22 |
| SGR51 | 51 | 2.01 | 1000 | 225 | 957 | 800 | 180 | 766 | 8.20 | 5.51 |
| SGT76 | 76 | 2.99 | 2600 | 585 | 895 | 2100 | 473 | 723 | 22.80 | 15.32 |
| SGT76 | 76 | 2.99 | 2200 | 495 | 914 | 1700 | 383 | 706 | 18.90 | 12.70 |
| SGT76 | 76 | 2.99 | 1800 | 405 | 912 | 1400 | 315 | 709 | 15.50 | 10.42 |
| SGT76 | 76 | 2.99 | 1400 | 315 | 879 | 1200 | 270 | 754 | 12.50 | 8.40 |
