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Help CenterONTON T40N High Strength Steel Coal Mine Roof Bolt
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ONTON T40N high strength steel coal mine roof bolt
- Self drilling Anchor
- R /T thread
- Customized
- Simultaneous Drill and Grout Installation
- Combines both operations into a single construction cycle, enabling high rates of production
- Fully Threaded Rod Sections
- Continuous thread ensures that rods can be cut and coupled at any point
- No Casing Required
- Can be installed into loose or collapsing soils without the need for a temporary casing to support the borehole
- It's widely used in many projects of the subway, high-speed rail ,railways, Soil Nails, Micropiles ,highways and hydropower stations, with good popularity and quality
T40N |
Outside diameter ( mm) |
Average internal diameter ( mm) |
Aver.cross sectional area (mm2) |
Ultimate load capacity ( KN ) |
Yield load capacity ( KN ) |
Average tensile strength Rm ( N/ mm2 ) |
Average yield strength Rp0,2 ( N/ mm2 ) |
Weight (kg/m)
|
40 |
18 |
760 |
660 |
525 |
860 |
690 |
6.0 |
|
We can supply products according to your requirements | ||||||||
- SDA (IBO) is a kind of safety product.
- Safe products is the most important thing of engineering safety.
- We only produce safe products.
- Security is not just lip service , SGS report ...
- Established in the early 1990s
- The first and best manufacturer of SDA ( Self-drilling Anchor Rock Bolt ) in China
- ONTON Techology Co., Ltd. is the main compiling units of the standard named "Technical Terms of Hollow Anchor Bolts"
- We participate in the ministry of railways Self-drilling Anchor Rock Bolt standards and almost all of the high-speed railway construction in china
- OEM accepted >>" href="https://img13.fr-trading.com/company_profile.html" target="_blank">>>>
CE ISO9001 TÜV Rheinland SGS
check it>>> check it>>> check it>>> check it>>>
Custom process:
FAQ for self-drilling hollow rock bolts
1.What is SDA?
Self-Drilling Anchor.
2.The application of the SDA?
Mine,tunnel,slope,foundation pit.
3.Are you a manufacturer?
Yes, We are an experienced manufacturer of self drilling anchor bolt.
4.What kinds of SDA do you have?
Safe product is the most important thing of engineeing safety,and we only product safe products.We can provide R25,R32,R38,R51,T30,T40,T52,T76 self drilling anchor.
5.What is your packing&shipping service ?
Generally 50 pcs anchor rock bolt per bunndle,outer with woven bags. Of course,we can also packing as requirement.
6.What after-sale services do you have for customers?
If you have any question of our products , please feel free to contact Jone Tel: 86-028-87678353
7.What is our transportation way?
By sea,by air,by land.
Send Inquiry to This Supplier
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