Coach Screws for Heavy Timber Construction

• Hot dipped galvanised mild steel
• Heavy-duty construction in applications for timber to timber or metal to timber
• A versatile fastener for retaining walls, gates, fences, pergolas and outdoor furniture
• Ideal for use use with treated pine sleepers, Australian hardwoods and other larger timbers
• Available in a large range of diameters and lengths see below

Coach screws have a coarse timber thread for self-tapping into pre-drilled timber beams and posts. Sometimes referred to as a coach bolt or lag screw.

Head sizes follow the metric hex bolt equivalent can be installed with common spanner set or hex socket. Drill timber to the  screw diameter. Allow for min 1.0mm greater hole clearance when fixing a metal plate to timber.