Pin Core Bits Premium Bits for Hard Materials
For drilling porcelain tile, ceramic tile and hard stone. Drills 15mm and smaller have a hollow shank filled with olive oil. The oil acts as a cutting lubricant, is water soluble and does not stain or drip. 35mm drilling depth. For use with battery powered drills. Drills 20mm and larger require a 5/8″-11 shank adapter to use with 1/2″ drill chucks. 1-1/2″ drilling depth.