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Size：R38N-21
Ultimate Load：500KN
Yield Load：400KN
Weight： 4.8kg/meter
Self drilling anchor system is mainly used in slope stabilization, tunneling pre-support, foundations with micro piles etc jobs, which is widely used in mining, tunneling, railway, metro construction etc projects.
Features
international standards
Thread is compatible with ISO and other international standards
Stable quality
Pre-supporting, micropiling for foundation underpinning, slope anchorage, etc.
Parameter
| Size | O.D (mm) | I.D (mm) | Ultimate Load (kN) | Yield Load (kN) | Weight (kg/meter) |
| R25N-14 | 25 | 14 | 200 | 150 | 2.3 |
| R32L-22 | 32 | 22 | 210 | 160 | 2.8 |
| R32N-21 | 32 | 21 | 280 | 230 | 2.9 |
| R32N-18.5 | 32 | 18.5 | 280 | 230 | 3.4 |
| R32S-17.5 | 32 | 17.5 | 360 | 280 | 3.5 |
| R32S-15 | 32 | 15 | 360 | 280 | 4.1 |
| R32SS-14 | 32 | 14 | 405 | 350 | 4.3 |
| R38N-21 | 38 | 21 | 500 | 400 | 4.8 |
| R38N-19 | 38 | 19 | 500 | 400 | 5.5 |
| R38S-18 | 38 | 18 | 560 | 460 | 6 |
| R51L-38 | 51 | 38 | 550 | 450 | 6 |
| R51L-36 | 51 | 36 | 550 | 450 | 7.6 |
| R51N-36 | 51 | 36 | 800 | 630 | 7.6 |
| R51N-33 | 51 | 33 | 800 | 630 | 8.4 |
| R51S-30 | 51 | 30 | 930 | 730 | 9.4 |
| T76N-49 | 76 | 49 | 1600 | 1200 | 16.5 |
| T76S-45 | 76 | 45 | 1900 | 1500 | 19 |
| Thread direction: Left hand / Right hand | |||||
| Thread standsrd: ISO 10208 / ISO1720 / Other international standards | |||||
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