The Irwin IRW10502758 is a long series 16mm diameter auger drill bit with an extended 400mm overall length, engineered for deep boring applications requiring this substantial hole size. This specialist bit is indispensable for deep structural work, major services installation through thick beams, heavy construction post holes, and any application requiring large-diameter holes at considerable depth. Designed for all general wood boring, this long auger bit offers superior performance in the most
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