Foundation Bolt Self Drilling Anchor Bar R Thread Hollow Bars
Soil-clay stabilization R25 Self Drilling Anchor Bar Full Threaded Steel Anchor Rod
Self Drilling Anchor Bolts are a bolting solution for unstable ground conditions such as sand, gravel, silt, clay, and soft to medium fractured rock formations. The self-drilling anchor bolt comprises a hollow anchor bolt, anchor nut, anchor plate, anchor coupler, drill bit, and centralizer.
By drilling a hole in collapsing soil or loose rock, with an efficient hollow bar and a drill bit, and after the drilling operation injecting grout into the hollow bar and surrounding cavity, self-drilling anchors are a top productivity solution.
| R-Thread Hollow Anchor Bar |
| Size |
Outer Dia. (mm) |
Ultimate Load (kN) |
Yield Load (kN) |
Weight (kg/m) |
| SER25N | 25 | 200 | 150 | 2.35 |
| SSR32L | 32 | 210 | 160 | 2.83 |
| SSR38N | 38 | 500 | 400 | 5.50 |
| SER51N | 51 | 800 | 630 | 8.20 |
| T-Thread Hollow Anchor Bar |
| SST30L | 30 | 220 | 180 | 2.9 |
| SET40S | 40 | 660 | 525 | 6.8 |
| SST52N | 52 | 929 | 730 | 10.2 |
| SET73L | 73 | 1160 | 970 | 13.2 |
| SET76S | 76 | 1900 | 1500 | 19.7 |
| SET103N | 103 | 2270 | 1800 | 23.5 |
| SET111N | 111 | 3650 | 2750 | 34.5 |
| SET127L | 127 | 2400 | 1810 | 30.5 |
| SET130S | 130 | 7940 | 5250 | 78 |
| SET150S | 150 | 8400 | 5600 | 108 |
| SET200S | 200 | 14230 | 9500 | 183 |
Frequently Asked Questions
Q: What ground conditions are self-drilling anchor bolts suitable for?
They are ideal for unstable ground conditions such as sand, gravel, silt, clay, and soft to medium fractured rock formations.
Q: What are the main components of the self-drilling anchor system?
The system comprises a hollow anchor bolt, anchor nut, anchor plate, anchor coupler, drill bit, and centralizer.
Q: Is there a minimum order quantity (MOQ)?
Generally, there is no minimum order quantity required for our anchor bar products.
Q: What is the standard delivery time for orders?
Products in stock can be delivered within 1-3 days, while regular production orders typically take 2-3 weeks.
Q: How is product quality ensured before shipping?
We perform 100% strict inspection and testing for every order before packing to ensure full compliance with specifications.
Q: What kind of after-sales technical support is available?
Technical support is available at any time. Our team responds to questions within 24 hours, and free replacements are provided if quality failure is confirmed.
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