Original
By certification 
R thread hollow anchor bar is the body of a self-drilling anchor, as a hollow steel tube with an outer round thread, hollow anchor has the sacrificial anchor bit connected at one side, plate and nut connected at the other; two hollow anchor bars could be connected together via a coupling, for duties that requiring longer anchors.
Thread Size: R25, R32, R38, R51
Thread Direction: Left hand
Thread Standard: ISO 10208 / ISO 1720 / other international standards
Size |
O.D |
I.D |
Sectional Area |
Ultimate Load |
Yield Load |
Agt (%) |
Weight |
|
(mm) |
(mm) |
(mm²) |
(Kn) |
(Kn) |
(kg/meter) |
|||
R25 |
R25N-14 |
25.0 |
14.0 |
290 |
200 |
150 |
＞10% |
2.30 |
R32 |
R32L-22 |
32.0 |
22.0 |
350 |
210 |
160 |
＞10% |
2.80 |
R32N-21 |
32.0 |
21.0 |
370 |
280 |
230 |
＞6% |
2.90 |
|
R32N-18.5 |
32.0 |
18.5 |
430 |
280 |
230 |
＞10% |
3.40 |
|
R32S-17.5 |
32.0 |
17.5 |
440 |
360 |
280 |
＞6% |
3.50 |
|
R32S-15 |
32.0 |
15.0 |
520 |
360 |
280 |
＞10% |
4.10 |
|
R32SS-14 |
32.0 |
14.0 |
520 |
405 |
350 |
＞10% |
4.10 |
|
R38 |
R38N-21 |
38.0 |
21.0 |
620 |
500 |
400 |
＞6% |
4.90 |
R38N-19 |
38.0 |
19.0 |
700 |
500 |
400 |
＞10% |
5.50 |
|
R38S-18 |
38.0 |
18.0 |
700 |
560 |
460 |
＞10% |
5.50 |
|
R51 |
R51L-38 |
51.0 |
38.0 |
760 |
550 |
450 |
＞6% |
6.00 |
R51L-36 |
51.0 |
36.0 |
970 |
550 |
450 |
＞10% |
7.60 |
|
R51N-36 |
51.0 |
36.0 |
970 |
800 |
630 |
＞6% |
7.60 |
|
R51N-33 |
51.0 |
33.0 |
1070 |
800 |
630 |
＞10% |
8.40 |
|
R51S-30 |
51.0 |
30.0 |
1160 |
930 |
730 |
＞10% |
9.10 |
|
Features
Stable quality;
Thread is compatible with ISO and other international standards;
Good mechanical performance.
Applications
Pre-supporting, micropiling for foundation underpinning, slope anchorage, etc.
Q: How long is your delivery time?
A: The general delivery time is 30-45 days after receiving your order confirmation. Anther, if we have the goods in stock, it will only take 1-2 days.
Q: Do you provide sample? Is it free?
A: If the sample is low value, we will provide the free sample. But for some high value samples, we need to collect the sample charge.
Q: What is your term of payment?
A: 30% down payment before producing and 70% balance payment before shipping.
Q: Do you have the test and audit service?
A: Yes, we can assist to get the designated test report for product and the designated factory audit report.
Q: What’s your after-sale service?
A: For our all products we offer warranty that covers all manufacturing defects in materials and workmanship.
http://www.chinarockbolt.com/
