Bolt your structures with Zenith’s trade quality bolts. Also known as a Coach Bolt, used for fastening timber to another substrate that has rear access to install a nut. Hot dipped galvanised bolts also provide additional corrosion protection in environments where the bolt is exposed to the outside elements. Box of 25. | Zenith M8 x 70mm Hot Dipped Galvanised Cup Head Bolts And Nuts - 25 Pack