ONTON R25N Self Drilling Rock Bolt

Description of R25N Self Drilling Rock Bolt:

Chinese manufacturer of R25N Self Drilling Rock Bolt

• Feature 

  ONTON^® Hollow Bar (Self Drilling Anchor, 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.                                                                                         

• 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



Specification:


R25N	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)
	25	15	267	200	150	750	580	2.1
	We can supply products according to your requirements




Why choose us?













• 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:






Customize service:


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

Custom process:






Packaging & Shipping:



Generally: 50 pcs anchor rock bolt 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 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.