
The Zenith M8 x 150mm hot dipped galvanised cup head bolt and nut is a 4.6 grade steel coach bolt for fastening timber to timber or timber to metal. The long 150mm shank passes through thick timber joints, and the square neck stops the bolt spinning as the nut is tightened.
The extra length makes this M8 coach bolt suited to heavy outdoor timber connections such as sleepers, posts, pergolas and retaining structures, while the hot dipped galvanised finish gives corrosion resistance. A matching M8 hot dipped galvanised washer and nut can be added to complete the fixing.
The Zenith M8 x 150mm Hot Dipped Galvanised Cup Head Bolt and Nut is a durable fastening solution engineered for fastening timber to timber or timber to metal. This coach bolt features a square neck design that prevents spinning during installation for ease of use, and includes a nut for secure fastening. The hot dipped galvanised finish provides reliable corrosion resistance in a range of environments.
Yes, each bolt is supplied with a matching hex nut.
The long shank suits thick timber joints such as sleepers, posts and heavy framing where shorter bolts cannot pass through.
Hot dipping gives a thicker zinc coating than standard galvanising, improving corrosion resistance.
Yes, a matching M8 hot dipped galvanised washer fits under the nut to spread the load.
Yes, the hot dipped galvanised finish resists corrosion in exterior conditions.
