- M6 male thread expansion screw hook anchor bolt designed for secure fastening, comes with flat washer and hex nut for enhanced stability. - Installation Guide: Use a drill with a chopping bit the same diameter as the expansion screw casing to create a hole. Insert the expansion bolt set into the drilled hole for a reliable fit. - Ideal for securely attaching items to solid surfaces such as concrete, brick, and walls. The closed hook design ensures a strong hold on fixtures and equipment. - Important Reminder: Avoid removing the nut during installation to prevent the bolt from dropping into the drilled hole. Tighten the nut for 2-3 turns then loosen slightly to ensure there is no slack before mounting your fixture. - Size and Material: Features a robust M6 diameter, constructed from high-quality materials for durability and long-lasting performance. - Applications: - Perfect for hanging heavy items like shelves and tools in garages or workshops. - Effective for securing fixtures, signage, or brackets to both indoor and outdoor concrete surfaces.