30007 Quick Change Diamond Tip Drill Bit 7mm

A tough steel body diamond tipped drill with a raised C4 carbide sintered edge giving easy starting without the risk of drill wander.With a reverse thread uses the turning of the drill to continuously feed water to the cutting edge.Will cut: Porcelain, quarry, terracotta,glazed, terrazzo, agglomerate, concrete tiles and glass.The Boa 34007 is a 7mm Diamond tip drill bit