For fixing items into solid or hollow brick and masonry. High grade PA66 nylon sleeve giving extra durability and extended life for the fixing. Tapered expansion nut made from glass fibre reinforced nylon gives ultimate sleeve expansion. Six anti-rotation fins to hold the fixing secure on application. Hardened single thread screw with No. 3 cross recess. Nylon grade material is Nylon 66. Zinc/Yellow plating independently salt spray tested to 72 hours.
