M8 screws are commonly used in structural and mechanical applications across residential, commercial, and industrial building projects. Their 8mm diameter offers a reliable balance of strength and thread engagement, making them suitable for medium-load fixings. Builders often use M8 screws to fasten metal brackets, timber, or fixtures to masonry or steelwork. In modern construction, they’re also preferred for tasks requiring secure bolted connections where finer tolerances and consistent torque are needed.
This category includes a range of M8 screw types, such as M8 coach screws for heavy timber fixings and M8 hex head screws for use with spanners or sockets. Available in various lengths and finishes, most products come with detailed size and specs information to meet different site requirements. M8 screws are distinct from M6 screws and similar fittings by offering greater shear resistance and a wider bearing surface.
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