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Rope thread self drilling bar
HDG self drilling
Stainless Steel SDA
T-thread self drilling hollow bar
Beginner, and Innovator of Self-Drilling Anchor Bar Manufacturing
ONTON is one of the premier local manufacturers of SDA hollow bars in domestic market after Atlas Copco first introduced Self-Drilling Anchor bolt (SDA Rock Bolt) to China in 1990s.
30+ years passed, ONTON has developed new rolling technology to change the whole threaded hollow bar market. Its products are more powerful and more competitive.
Self-drilling anchor bar manufacturer
Our Advantages
Standards-based
Qualified in accordance with ASTM A615, EN14199 and EN10080.
Advanced and Mature Process Flow
Rolling, forging and heat treatment to release the energy of metal crystal. Strength improved, and cost saved.
Highly Customizable
Non-standard hollow bar manufacture. Special ability for OEM orders.
Safety comes first
ONTON IBO hollow bar can absorb more fracture energy than other bars.
Recent Articles
From Sep. 16th to Sep. 20th, 2019, PERUMIN 34 was held at Cerro Juli, Arequipa, Peru. Arequipa is the...
The 6th International Trade Fair (Bauma Conexpo India 2018) was held at India Expo Centre, Delhi NCR...
In 2008, ONTON had the honor to participate in the compilation of the Chinese national standard TB/T3209-2008...
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