Coach Screws

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A Coach Screw , also widely known as a Lag Screw or Lag Bolt , is a heavy-duty fastener designed primarily for making strong, load-bearing connections in timber. Despite sometimes being called a "lag bolt," it is technically a large, robust screw rather than a bolt, as it does not require a nut for fastening. Common Uses Given their strength and ability to be installed from a single side, coach screws are the go-to fastener for heavy-duty construction in wood: Structural Woodworking: Connecting large timbers, such as those used in deck framing, pergolas, gazebos, and post-and-rail fences. Heavy Fixtures: Attaching heavy items like large gates, metal brackets, or wall plates to a wooden frame. Metal to Timber: Securing metal structural connectors or brackets to wood. Masonry: When used in conjunction with a plastic or nylon wall plug, coach screws can be used for medium-duty fixing into concrete or masonry. Canterbury Timbers has wide range of coach screws. If we don't have it, Canterbury Timber can source it for you. Talk to our experts for DIY advice and construction project knowledge. Canterbury Timber offers competitive Trade Prices on Timber and Building Supplies. Call us today on 1300 791 229 or click here for a Quote .