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R25 Self-Drilling Anchor Bolt
The R25 self-drilling anchor bolt is a small-diameter, cost-effective solution designed for shallow ground support.
- Outer Dia: 25mm
- Ultimate Load: 150-200kN
- Yield Load: 100-150kN
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Product Introduction
The R25 self-drilling anchor bolt is a small-diameter solution that is ideally suited for shallow ground support and low-force applications. Designed for medium-strength soils and soft ground conditions, this anchor bolt offers a fast, economical solution for projects that require quick installation and cost-saving benefits. It is commonly used for shallow foundation reinforcement, slope stabilization, and minor tunnel support.
Product Specifications
Hollow Anchor Bar
| Size | Outer Dia. | Inner Dia. | Ultimate Load | Yield Load | Weight | |||||
| mm | in | mm | in | kN | kips | kN | kips | kg/m | lbs/ft | |
| SER25N | 25 | 0.98 | 12 | 0.47 | 200 | 45 | 150 | 34 | 2.35 | 1.58 |
| SER25 | 25 | 0.98 | 14 | 0.55 | 150 | 34 | 100 | 23 | 2 | 1.34 |
| Note： 1. Customized products are available based on your specific requirements； 2. 1mm=0.03937in 1kN=0.225kips 1MPa=0.1450377ksi 1kg/m=0.672 lbs/ft |
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Coupler
| Size | Outer Dia. | Length | Weight | Note | ||||
| mm | in | mm | in | kg | lbs | |||
| SSR25 | 36 | 1.42 | 150 | 5.91 | 0.66 | 1.45 | With sealing ring | |
| SER25 | 36 | 1.42 | 150 | 5.91 | 0.68 | 1.50 | Without sealing ring | |
| SER25 | 36 | 1.42 | 100 | 3.94 | 0.45 | 0.99 | ||
Hex Nut
| Size | Key Size | Length | Weight | |||
| mm | in | mm | in | kg | lbs | |
| SSR25 | 41 | 1.61 | 35 | 1.38 | 0.23 | 0.51 |
Domed Nut
| Size | Key Size | Length | Weight | Note | |||
| mm | in | mm | in | kg | lbs | ||
| SSR25 | 41 | 1.61 | 40.5 | 1.59 | 0.31 | 0.68 | Heat-treated |
| SER25 | 41 | 1.61 | 40.5 | 1.59 | 0.31 | 0.68 | Non-heat-treated |
Flat Plate
| Size | Dimensions | Thickness | Hole Dia. | Weight | ||||
| mm | in | mm | in | mm | in | kg | lbs | |
| SER25 | 90×90 | 3.54×3.54 | 12 | 0.47 | 36 | 1.42 | 0.66 | 1.45 |
| 100×100 | 3.94×3.94 | 12 | 0.47 | 36 | 1.42 | 0.82 | 1.80 | |
Domed Plate
| Size | Dimensions | Thickness | Hole Dia. | Weight | ||||
| mm | in | mm | in | mm | in | kg | lbs | |
| SER25 | 150×150 | 5.91×5.91 | 5 | 0.20 | 28 | 1.10 | 0.85 | 1.87 |
| 150×150 | 5.91×5.91 | 5 | 0.20 | 34 | 1.34 | 0.85 | 1.87 | |
| 150×150 | 5.91×5.91 | 6 | 0.24 | 28 | 1.10 | 1.02 | 2.24 | |
| 150×150 | 5.91×5.91 | 8 | 0.31 | 34 | 1.34 | 1.38 | 3.04 | |
| 200×200 | 7.87×7.87 | 10 | 0.39 | 34 | 1.34 | 3.13 | 6.89 | |
| 200×200 | 7.87×7.87 | 12 | 0.47 | 28 | 1.10 | 3.71 | 8.16 | |
Drill Bit
| Size | Outer Dia. | Application (Advice) | ||||||
| mm | in | |||||||
| EX | Sand, fills, gravel | |||||||
| SSR25/42 | 42 | 1.65 | ||||||
| SSR25/45 | 45 | 1.77 | ||||||
| SSR25/51 | 51 | 2.01 | ||||||
| EXX | Softer sedimentary rocks such as marls, mudstones, siltstone | |||||||
| SSR25/35 | 35 | 1.38 | ||||||
| SSR25/40 | 40 | 1.57 | ||||||
| SSR25/42 | 42 | 1.65 | ||||||
| SSR25/45 | 45 | 1.77 | ||||||
| SSR25/51 | 51 | 2.01 | ||||||
| ES-F | Gravel, soft rock | |||||||
| SSR25/42 | 42 | 1.65 | ||||||
| SSR25/45 | 45 | 1.77 | ||||||
| SSR25/51 | 51 | 2.01 | ||||||
| ESS-F | Weathered rock, stone walls, rubble | |||||||
| SSR25/35 | 35 | 1.38 | ||||||
| SSR25/40 | 40 | 1.57 | ||||||
| SSR25/42 | 42 | 1.65 | ||||||
| SSR25/45 | 45 | 1.77 | ||||||
| SSR25/51 | 51 | 2.01 | ||||||
| EY | Chalk, gravel | |||||||
| SSR25/51 | 51 | 2.01 | ||||||
| Two-winged Alloy Drill Bit | ||||||||
| SSR25/42 | 42 | 1.65 | ||||||
| SSR25/45 | 45 | 1.77 | ||||||
| Three-winged Alloy Drill Bit | ||||||||
| SSR25/42 | 42 | 1.65 | ||||||
| SSR25/45 | 45 | 1.77 | ||||||
| SCR25/51 | 51 | 2.01 | ||||||
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