10 self drilling screws

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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Butterfly anchors also offer excellent versatility, making them suitable for use in a wide range of marine environments3 16 butterfly anchor. Whether you're anchoring your boat in a crowded marina or a secluded cove, these anchors can provide the stability and security you need. Their compact size and lightweight design make them easy to handle and store, making them an excellent choice for both experienced sailors and those who are just starting out.

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