Grand DE-850

For rotary drilling only. Includes 5/32 pilot bit which must be used first. Ideal for drilling porcelain tiles up to a scratch hardness of 8. The drill bit will not walk, tape or center punching is no more→longer needed. Flat bottom parabolic flute ensures fast and efficient removal of drill dust and prevents clogging. Cuts nice, clean holes with very little or no chipping; operate drill motor 400-600 RPM

Diablo's Demo Demon Spade Bits provide 1 of the most durable, effortless and longest lasting hole drilling solutions on the market for nail-embedded wood. The Demo-Edge dual cutting edges coupled with more→a self-feeding Dura-Tip power through nail hits for a smooth drilling experience and up to 60X longer life. An optimized curved paddle design enhances the chip evacuation process for more holes per charge. This range is Impact Strong for increased shank stability and durability in cordless and corded impact and drill drivers.

Avanti Pro masonry drill bits provide top quality performance when drilling into brick or block. This range features a carbide tip for extra durability and longer life in tough applications. Dual flut more→es remove dust and debris for cleaner holes. Avanti Pro masonry drill bits are only for use with drills in rotary mode.