Self drilling bolt is mainly used in tunneling pre-support, which is widely used in mining, tunneling, railway, metro tunnel projects. T40 self drilling bolt takes a significant place in T-thread types for its superior reliability and extensive application in railway system and metro tunnel project.
Sinorock self drilling anchor bolts have been devoting themselves to a large number of famous metro tunnels at home and abroad, such as Beijing Metro line 10, Harbin Metro and Santiago Metro Line 6, etc. Self drilling bolt has a significant advantage of reducing construction cost and shorten construction period due to the feature of simultaneous drilling, installation and grouting.
Sinorock is an experienced manufacturer of anchoring products for both domestic and
international market. Based on the pressure of market competition, recent years, we did some
researches on anchor productions, counterparts, marketing environment and sustainable
development. And then we make our new strategy, decision and project.
Sinorock is specialized in the development, production and sales of anchoring products. All
the products delivered to customers have passed strict quality testing. We insist on the
value of innovation, profession, responsibility and efficiency. We have passed the ISO9001
quality management system certification and all we provided to the clients are reliable
products.