Forgefix Metal Zinc Plated Cavity Wall Anchors are supplied with universal cross pan head machine screws. These fixings are suitable for heavy duty fixing applications such as radiators and walls units and are suitable for use in most types of hollow walls, fibreboard, plasterboard and partitions. Advantages of Forgefix Metal Zinc Plated Cavity Wall Anchors Suitable for heavy duty fixing applications such as radiators and wall units. Anti-rotation teeth pierce the base skin to ensure firm anchorage. Screw and fixing can be removed. Specialist fixing gun can be used for repetitive fixing applications. Suitable for use in most types of hollow walls, fibreboard, plasterboard and partitions. Specification Size: M4 x 20mmFinish: Zinc platedQuantity: 100