High-quality twin head screws with an extra sharp point for optimum driveability. Use a 4 mm drill, and they become excellent self-tapping screws. The low-profile head prevents electrical wires from getting snagged. The flat underside of the screw provides a large bearing surface, which helps to prevent buckling. If fixing to masonry, use red plugs.
Warnings / Disclaimers
Before starting any electrical work, always switch off at the mains. If in doubt consult a competent electrician
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