IOS Certificate Self-Drilling Hollow Anchor System
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Adhering to the principle of “quality, service, efficiency and growth”, we have gained trusts and praises from domestic and international client for China Self Drilling Grouted Hollow Anchor Bar and Self Drilling Hollow Anchor, Our advanced equipment, excellent quality management, research and development ability make our price down. The price we offering may not be the lowest, but we guarantee it is absolutely competitive! Welcome to contact us immediately for future business relationship and mutual success!
The self-drilling anchoring system consists of a hollow threaded bolt fitted with a corresponding drill bit to perform drilling, anchoring and grouting in one go.The self-drilling anchor system is mainly used in slope stability, tunneling advance, micro-pile foundation and other engineering, widely used in mining, tunnel, railway, subway and other engineering.
An r-threaded bolt, or bolt, anchor, is a threaded hollow rod with a surface design of wavy threads according to ISO 10208 and 1720.It was first invented by MAI in the 1960s to speed up the construction of complex underground projects.It is still popular all over the world today.
Thread specification: R25, R32, R38, R51, T76
Thread standard: ISO10208, ISO1720, etc
