Hollow head mounted on the bolt body carbide drill bits, drill pipe to bolt body instead of drilling, drill the end of the connecting rod bolt body and the rock drilling machine connected with the rock drill perforated the design of a bolt depth, the installation only pulp plugs, pad plate, nut was conducted after the grouting. When the slope support or hydropower station construction, can also be used to replace large-diameter bolt hole drill pipe, carrying out drilling grouting and more powerful, than the anchor role in a stronger, more efficient and convenient, lower construction costs.
Type |
Outer Dia.(mm) |
Inner Dia.(mm) |
Ultimate Load(KN) |
Yield Load(KN) |
Weight(kg/m) |
R25N |
25 |
14 |
200 |
150 |
2.3 |
R32L |
32 |
22 |
260 |
200 |
2.8 |
R32N |
32 |
21 |
280 |
230 |
2.9 |
R32/18.5 |
32 |
18.5 |
280 |
230 |
3.4 |
R32S |
32 |
17 |
360 |
280 |
3.5 |
R38N |
38 |
21 |
500 |
400 |
4.8 |
R38/19 |
38 |
19 |
500 |
400 |
5.5 |
R51NL |
51 |
36 |
550 |
450 |
6.3 |
R51N |
51 |
33 |
800 |
630 |
8.0 |
T76N |
76 |
51 |
1600 |
1200 |
16.5 |
T76S |
76 |
45 |
1900 |
1500 |
19.7 |
Q1:Can you send samples?
A:Of course, we can provide customers with free samples and express shipping service to all over of the world.
Q2:What product information do I need to provide?
A:Please kindly provide the grade, width, thickness, surface treatment requirement should you have and quantities you need to purchase.
Q3:It's my first time to import steel products, can you help me with it?
A:Sure,we have agent to arrange the shipment, we will do it together with you.
Q4:What about product prices information?
A:Prices various according to periodic price changes of raw materials.
Q5:Do you provide custom made Products service?
A: Yes,if you have your own design , we can produce according to your specification and drawing.
Q6:What are the certifications for your products?
A:We have ISO 9001, MTC, third parties' inspections are all available such SGS, BV ect.
Q7:How long does your delivery time take?
A:In general, our delivery time is within 7-15 days, and may be longer if the quantity is extremely large or special circumstances occur.
Q8: How many countries you already exported to?
A:We have exported to America, Canada, Brazil, Chile, Colombia, Russia, Ukraine, Thailand, Myanmar, Vietnam, India, Kenya, Ghana,somalia and other African countries.Our export experience is rich, we familiar with different market demands, can help customers avoid a lot of trouble.
Q9:Can I go to your factory to visit?
A:Of course, we welcome customers from all over the world to visit our factory.
Q10:Does the product have quality inspection before loading?
A:Of course, all our products are strictly tested for quality before packaging, and unqualified products will be destroyed and customers can appoint third parties to inspect the products before loading too.
Q11:What is your working time?
A:In general, our online service time is Beijing time: 8:00-22:00, after 22:00, we will reply to your inquiry in the coming working day.