Self-drilling anchors are used for drilling with water or air flush or for simultaneous drilling and grouting. The hollow anchor bars are manufactured from seamless steel tubes.
All anchor bolts are made from quality steel materials which are supplied by qualified suppliers. We refuse second-hand/recycled materials!
FEATURES
- C45/Cr40 high quality steel, EN10083
- Thread L/R hand, R-thread (rope) /T-thread (trapezoidal), ISO10208/T standard
- Corrosion protection: hot-dipped galvanized (HDG) according to EN ISO 1461 / epoxy coating (EC) according to EN 12944
- Customizable
Hollow Grouting Bolt Series Specifications
|
Model |
Max Outer diameter（mm） |
Length （mm） |
Ultimate load（KN）≥ |
Yield load（KN）≥ |
Elongation A5（%）≥ |
Nominal weight （kg/m） |
Note |
|
R25N |
24.7 |
Determine the length as required（1-9） |
200 |
150 |
6 |
1.9 |
Can Hot dip galvanizing / customized
|
|
R25S |
24.7 |
250 |
190 |
6 |
2.1 |
||
|
R32N |
31.4 |
280 |
230 |
6 |
2.7 |
||
|
R32S |
31.4 |
360 |
280 |
6 |
3.4 |
||
|
R38N |
38 |
500 |
400 |
6 |
4.7 |
||
|
R38S |
38 |
550 |
450 |
6 |
5.2 |
||
|
R51L |
50 |
550 |
450 |
6 |
5.9 |
||
|
R51N |
50 |
800 |
630 |
6 |
7.4 |
||
|
T30N |
30 |
320 |
260 |
6 |
3.1 |
||
|
T40L |
40 |
540 |
425 |
6 |
5.2 |
||
|
T40N |
40 |
660 |
525 |
6 |
6 |
||
|
T52N |
52 |
930 |
730 |
6 |
9 |
||
|
T76L |
76 |
1200 |
1000 |
6 |
12.9 |
||
|
T76N |
76 |
1600 |
1200 |
6 |
16.3 |
||
|
T76M |
76 |
1700 |
1300 |
6 |
17.2 |
||
|
T76S |
76 |
1900 |
1500 |
6 |
19.3 |
||
|
T103N |
103 |
2300 |
1800 |
6 |
25 |
||
|
T103S |
103 |
3700 |
2600 |
6 |
40 |
Contact Us
Email:sales@rockfall-netting.com
what sup:+86 13383387988
Our professional sales representatives will provide you the suggestions of mining screen and applications. Just tell us your requirements and your problems, we will help you solve them.
