|
| 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 |
Self Drilling Hollow Anchor Bolt R - thread , Anchor Drill R25 to T130
1. Brief Introduction:
ROSCHEN self drilling anchor bolt system is manufactured from heavy wall steel tube. The anchor bar features a hollow bore for flushing, or simultaneous drilling and grouting. The anchor bar are cold rolled to form standard thread profile. It's available in different dimensions from R25 to T130. The detailed specification of self drilling anchor bolt is shown in the table below.
2. Application:
Self drilling anchor bolt system is a reliable and convenient anchoring system which is applied in complicated geological conditions for rock support work. It is particularly applied in the following geological conditions, such as weathered rock, gravel layer, backfill, hard conglomerate, gravel layer, etc.
3. Characteristic:
1. Easy to penetrate various rocks.
2. It can be elongated by using couplers.
3. Unnecessary to be pulled out.
4. The hollow bar can be used as grouting channel.
5. Drilling, grouting and anchoring can be finished at the same time.
4. Specification:
|
R -thread Hollow Anchor Bar |
|||||
|
Size |
Outer Dia. |
Inner Dia. |
Ultimate Load |
Yield Load |
Weight |
|
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 |
5. Installation process:
6. Projects:
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