22mm Left-Hand Helical Bar for Mining, Tunnelling & Ground Support
The 22mm Left-Hand Helical Bar is a high-performance threaded steel bar designed for demanding ground support applications, including rock bolting, mining, tunnelling, soil nailing and slope stabilization.
Manufactured with a continuous left-hand coarse thread along the full length of the bar, the 22mm Helical Bar provides excellent flexibility during installation. The continuous thread allows nuts, couplers and other accessories to be positioned at any point along the bar, while also making on-site cutting, extension and connection simple and efficient.
Key Advantages
◎ 22mm diameter with a continuous left-hand coarse thread
◎ Designed for rock bolting and underground ground support
◎ Suitable for mining and tunnelling applications
◎ Easy connection using compatible nuts and couplers
◎ Can be cut and coupled on site according to project requirements
◎ Coarse thread provides good resistance to dirt and rough site handling
◎ Available in different steel grades and surface protection options
◎ Suitable for both temporary and permanent ground support systems, subject to project design requirements
Applications
The 22mm Left-Hand Helical Bar can be used in a wide range of geotechnical and underground construction applications, including:
Mining Rock Bolts | Tunnel Support | Rock Stabilization | Soil Nailing | Slope Stabilization | Ground Anchoring | Underground Excavation
Its continuous threaded profile provides a practical connection system for bearing plates, nuts, couplers and other anchoring components, making it a versatile solution for modern ground engineering projects.
Built for Demanding Ground Conditions
In mining and tunnelling environments, installation efficiency and reliable load transfer are critical. The 22mm Left-Hand Helical Bar combines a robust steel bar with a coarse continuous thread to provide a practical and adaptable anchoring solution.
For projects requiring additional corrosion protection, the bar can also be supplied with suitable surface treatments such as hot-dip galvanizing, epoxy coating or other project-specific protection systems.
With its combination of strength, flexibility and easy installation, the 22mm Left-Hand Helical Bar is an ideal choice for contractors, engineers and ground support specialists looking for a dependable threaded bar solution.
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