The BOA 340012 is a 12mm diamond tip drill bit, designed for drilling larger diameter holes through glass, tile, and other hard materials. This size is particularly useful for substantial plumbing installations, larger electrical conduits, and heavy-duty fixings that require robust, precision-drilled holes. This drill bit features a vacuum brazed diamond tip with welded construction, representing 10 years of development focused on delivering greater strength and endurance. The quick-change desig
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