Our offered Miranda Drill Bits are made from hardened steel and used for perforation/boring of masonry, wood products, installation of door knobs, drawers, splint, etc. There are various sizes of bits available for better perforation. These bits are specialized in drilling clean holes on soft and hard surfaces. It can drill flat bottomed holes without splintering and the drill will be straight, angled and overlapping holes. The sharp centre spur of Miranda Drill Bits accurately locates the centre of the hole.