Metis is the most professional supplier for self drilling anchor bolt, and the sizes include R25, R32, R38, R51, T30, T40, T52, T73, T76, T103, T111, T127, T130. We offer a comprehensive range of anchors and equipment to suit a wide variety of situations in the ground engineering and construction industries. We provide the most innovative and effective solutions in geotechnical engineering and construction industries. Below are our fields of expertise: 1. Drilling Anchor Bolt 2. Anti-corrosion Rock Bolt 3. Anchor Net 4. Rock Drill 5. Injection Pump These rock bolts are available in a range of sizes and lengths. Also some products can be customized according to customer's demand. As a rapid and cost-effective solution, the bolts and equipment can be used in a wide variety of projects, such as tunneling support, hydroelectric station, soil nailing, micro piles, mining, and other projects
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