ForgeFix FORT30GB212 Twist Nails Sheradised 30mm Bag Weight 2.5kg These Forgefix Twist Nails are a unique twisted shank nail for attaching metalwork joists hangers straps etc. The twisted shank assists in absorbing movement that may occur in construction. They have a sheradised finish for corrosion resistance. This finish is a thermal diffusion process in which Zinc powder is vaporised and diffuses to the surface of the Twist Nail to form a sacrificial corrosion protective Zinc/Iron alloy coating thus dramatically increasing the nails durability. APPLICATION: The Twist Nail is the most popular construction nail used in fixing of joist hangers restraining straps and Galvanised banding. Twist Nails Sheradised 30mm Bag Weight 2.5kg