Self Drilling Rock Anchor

Our company has strong technical force and economic strength, with the international level of automatic production line of the Round Corner Square Extension Multi helix Earth Anchor, 1 Dia 35000lb Tensile Strength Rod Extentions with Coupling, Power Driver Screw Anchor Shaft Type. We create a good corporate culture of respect for people, fair competition, knowledge and talent. 'Because of focus, so professional' has created a good reputation of our company in the industry. While pursuing the material and spiritual harvest of all employees, we provide customers with the best products and services to improve our own value. We firmly believe that as long as we are market-oriented, innovation-driven, quality for survival, and development for growth, we will be successful.

The expanding rock anchor is a big time, labor, and money saver.This anchor expands and wedges against solid walls of rock. And, once it is expanded, the harder the pull on the rod—the tighter it wedges. Wedges are made of malleable or ductile iron with a rust-resistant coating. Rod should be in line with the guy.

1’’ Diameter

Catalog number	Rod Length(in)	Anchor Size Closed (in)	Anchor Size Expanded (in)	Hole Size (in)	Approx Weight Per 100
CMI1001	30	2 1/4	3 1/8	2 1/2	1166
CMI1002	53				1833
CMI1003	72				2133
CMI1004	96				2666

 

Installation

Installation is quick and simple. Bore the hole with hand or power drill, making sure that the diameter of the hole is 1⁄4-inch larger than the diameter of the unexpanded anchor. Drop the anchor in the hole. Put a bar through the large eye of the anchor rod. Turn the rod until the anchor is firmly expanded against the sides of the hole. Grouting should be done if protection of the rock against weathering is a concern.

Application

● Stabilize slopes and walls, provide tiebacks for bridges and towers, to stabilize dams, and to secure caisson bottoms.

● Civil and mining structures to counteract uplift forces acting on foundations and post-tension existing concrete structures.

Absolute attention to Self Drilling Rock Anchor quality and after-sales service is the foundation of our establishment and the basic means to determine perpetual operation. Based on the business philosophy of 'quality determines success or failure, technology determines development, and users determine survival', we put the interests of customers at a high level during development, and provide them with professional and thoughtful services anytime, anywhere. Strict quality management, perfect service, reasonable price is our stand on the premise of competition.

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