wedge expansion anchor

In conclusion, butterfly bolts for drywall are a testament to the innovative spirit of the construction industry. Their design combines functionality, strength, and convenience, offering a secure and efficient method for mounting items on drywall surfaces. Whether you're a professional contractor or a DIY enthusiast, incorporating butterfly bolts into your drywall projects can significantly enhance the stability and longevity of your installations.

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The design of an M8 wedge anchor is simple yet effective. It consists of a threaded rod with a nut and washer, accompanied by a wedge-shaped expansion sleeve. When installed, the anchor is drilled into a pre-drilled hole in the concrete, and then the bolt is inserted and tightened. As the bolt is tightened, it pulls the wedge-shaped sleeve against the sides of the hole, creating friction and causing the sleeve to expand. This expansion locks the anchor securely in place, providing a strong hold that can withstand significant loads.

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