The self-drilling anchor bolt is composed by threaded hollow bar, nut, plate, coupler and drill bit, etc. It is pull rod that transfer anchored structures or geotechnical loads to a stable formation.Pressure grouting of the anchor bolt through the hollow bar body can achieve the purpose of consolidating the broken rock mass,blocking the groundwater and the anti-corrosion of the rod body,' and rapidly forming the supporting force to control the stability of the surfounding rock.
Features
1. Easy and similar operation principle for different rock mass and soil conditions.
2. Drilling, anchoring and grouting can be performed in one single operation.
3. Minor space requirement for the accomplishment of anchoring.
4. Grouting works synchronize with drilling or after drilling. Grout can fill fractures effectively.
5. Anchor bars can be cut and lengthened on request, applying to narrow spaces.
| 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.
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