• 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
• Self-Drilling Injection Anchor
• Suitable for a range of applications, including:Soil Nails, Micropiles,Ground Anchors for temporary works

• 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,25 years  experience in  manufacturering  Self-drilling Anchor Rock Bolt
• 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 >>>

  If you have any question of Side Walls Hollow Bar , please feel free to contact:

  Tiger Tel: 86-028-87678353 

 FAQ  for Side Walls Hollow Bar

1,What is SDA?

Self-Drilling Anchor

2,The application of the SDA?

Mine,tunnel,slope,foundation pit

3,What is our transportation way?

By sea,by air,by land.

 more>>>