ONTON R32SS Hollow Bar Rock Drilling Anchor Bolt

Chinese manufacturer of R32SS Hollow Bar Rock Drilling Anchor Bolt

• Feature 

  ONTON^® Hollow Bar Anchor(Self Drilling Anchor Bolt, SDA) features a wide range of applications such as soil nails, micropiles, rock bolts, or ground anchors. It is applied to self-drilling ground control solution used in Civil Engineering and underground construction.

  The Hollow Bar Anchor Drilling System is a fully threaded steel bar which can be drilled and grouted into rock or  loose/collapsing soils without a casing. 

  The anchor bar features a hollow core for simultaneous drilling and concrete/resin grouting injection and a rope thread for connection to standard drill rigs.                                                       

• Applications

  Civil Engineering	Underground Mining and Tunneling
  1. Pile foundation	1. Stabilization of tunnel portals, trenches, and cut-and-cover areas
  2. Slope and embankment stabilization	2. Forepoling
  3. Reinforcement of excavation pits and retaining walls	3. Face stabilization
  4. Foundation of pylons and wind mills	4. Radial rock bolting
  5. Anchorage of avalanche protection structures and noise barriers	5. Roof and rib bolting
  6. Injection works	6. Injection works

• Technical Data

Keep the Balance of Strength and Ductility

Why choose us?






Tensile Curve of Self Drilling Hollow Bar Anchor Bolt Sample 






Mass Production Stability









• 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.




Certifications:



CE Approved and ASTM F432 followed

SGS Test Report regards to strength, ductility and CEV.





Customize service:


Good Ductility checked on site by a bending test to 180 degrees, good machinability and drillable:





Bending Test of Self-Drilling Hollow Bar Anchor Bolt




Custom process:






Packaging & Shipping:



Generally: 50 pcs hollow bar anchor rock bolts per bundle, wrapped in woven bags or as requirement.




Company Information:



• Established in the early 1990s.

• The first and best manufacturer of SDA ( Self-drilling Hollow Bar Anchor Rock Bolt ) in China.

• ONTON Techology Co., Ltd. is the main compiling units of the Chinese Railway Standard named "Technical Regulations for Hollow Bolt". >>>

• 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.  

     Other Components of Drill Hollow Anchor Bar System:

Drill Bits - Muttern Nuts - Hollow Bar Connetion Coupler - Anchor Plates