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 areas2. Slope and embankment stabilization 2. Forepoling 3. Reinforcement of excavation pits and
retaining walls3. Face stabilization 4. Foundation of pylons and wind mills 4. Radial rock bolting 5. Anchorage of avalanche protection
structures and noise barriers5. Roof and rib bolting 6. Injection works 6. Injection works
Technical Data
R32SS | Outside diameter (mm) | 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)
|
32 | 12.5 | 560 | 400 | 330 | 710 | 590 | 4.4 | |
Enhanced corrosion protection available upon request. |
Keep the Balance of Strength and Ductility
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.
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.
Why choose us?
Tensile Curve of Self Drilling Hollow Bar Anchor Bolt Sample
Mass Production Stability
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:
Other Components of Drill Hollow Anchor Bar System:
Drill Bits - Muttern Nuts - Hollow Bar Connetion Coupler - Anchor Plates