One piece hex shank
They are used to the best advantage in materials that produce long continuous chips
5mm x Overall Length/Flute Length SDS Plus X-Bit Masonry Drill
electrical
Creates holes for pipe and tubing installations
6.5mm Diamond Hex Shank Core Drill One piece hex shank6. 5mm 1 4" Hex Shank Diamond Core Drill Brilliant Diamond Vacuum Brazed Core Drill. Vacuum brazed, self lubricating, wax filled diamond core drills. One piece hex shank. Suitable for drilling tiles, ceramics, vitrified products, porcelain, natural and composite engineered stone, monocottura, fibreglass, graphite, carbon fibre, FRP's, and other highly abrasive materials. The wax filled core lubricates the cutting edge allowing dry, water free,