Gutter Bolt & Nut M6 x 40mm Pack of 20 Zinc Plated

Pack of 20 M6 x 40mm gutter bolts used for clamping timber or attaching ironmongery to timber Domed top with square under the head grips into the part being fixed, preventing the bolt from turning when the nut is tightened Fully threaded up to and including 150mm, partially threaded thereafter B point for use in pre-drilled shallow holes Hexagonal nut included