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| Place of Origin | Germany |
| Brand Name | ROSCHEN |
| Certification | ISO, API |
| Model Number | 25 32 32 38 51 R25N R32L R32N/1 R32N R32S/1 R32S R38N/1 R38N/2 R38N R51L/1 R51L R51N/1 R51N |
Hollow Self Drilling Injection Anchor R51L 51mm for rock drilling , grouting
1. Introduction
Self Drilling Hollow Injection Anchor is a kind of bar integrated with the functions of drilling, grouting and anchoring, and it can ensure anchoring for complex ground conditions. It’s safe, reliable and efficient.
2. Application
The product is suitable for broken rock, loose soil and difficult to bore hole. Conditions such as fault fracture zones, decayed rock, gravel, sandy gravel, backfill ground. Various drill bits for different ground conditions to attain a optimal result.
3 Application for project:
1. permanent support for tunnel excavation
2. Slope stabilization. Rock bolt and soil nailing can be used to maintain and strengthen soil and rock, so as to stabilize buildings.
3. micro pile reinforcement. Micro pile can transmit structural loads to foundation, limiting deformation of buildings.
4. Features:
1. Casing free for operation. Drill pipe is also anchor bar, and it’s convenient and time-saving.
2. Grouting works synchronize with drilling or after drilling. Grout can fill fractures effectively. It has good grouting spread radius and reliable anchoring quality.
3. The standard thread screw on the bar, and bar can be cut or lengthened according to your demands. It applies to narrow spaces.
4. It provides higher bonding stress than smooth steel pipe depending on continuous wave and T thread.
5. Specifications:
| R -thread Hollow Anchor Bar | |||||
| Size | Outer Dia. | Inner Dia. | Ultimate Load | Yield Load | Weight |
| mm | mm | KN | KN | Kg/m | |
| R25N | 25 | 12 | 200 | 150 | 2.3 |
| R32L | 32 | 20.5 | 210 | 160 | 2.9 |
| R32N/1 | 32 | 20.5 | 280 | 230 | 2.9 |
| R32N | 32 | 18 | 280 | 280 | 3.5 |
| R32S/1 | 32 | 18 | 360 | 280 | 3.5 |
| R32S | 32 | 15 | 360 | 280 | 4.1 |
| R38N/1 | 38 | 22.5 | 500 | 400 | 4.8 |
| R38N/2 | 38 | 21 | 500 | 400 | 5.6 |
| R38N | 38 | 19 | 500 | 400 | 6 |
| R51L/1 | 51 | 39 | 550 | 450 | 5.6 |
| R51L | 51 | 36 | 550 | 450 | 7 |
| R51N/1 | 51 | 34 | 800 | 630 | 7.7 |
| R51N | 51 | 33 | 800 | 630 | 8.5 |
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For more information please contact:
ROSCHEN INC.
ROSCHEN GROUP LIMITED
ROSCHEN HOLDINGS LIMITED
Skype: ROSCHEN.TOOL , ROSCHEN_GROUP
WeChat: +86-137 6419 5009 ; +86-135 8585 5390
WhatsApp: +86-137 6419 5009 ; +86-135 8585 5390
Email: roschen@roschen.com ; roschen@roschen.net
Website: http://www.roschen.net ; http://www.roschen.cn
http://www.roschen.com ; http://www.roschengroup.com
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