<br />The cutting spurs produce clean holes with minimal break out and the tapered flute reduces binding. The drill bits are also heat treated for extra durability.<br /><br />These extra long bits are 40cm (16in) in length, making them ideal for drilling through walls, ceilings and floors.<br /><br />Specifications:<br />Diameter: 20mm.<br />Working length: 10mm (4in).<br />Overall length: 400mm (16in).">
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