Sealey DBD Hex Shank Diamond Porcelain Tile Drill Bit

The 12mm Sealey DBD Hex Shank Diamond Porcelain Tile Drill Bit is the largest in the range, perfectly sized for larger pipe penetrations, substantial fixings, and creating holes for standard basin and shower mixer outlets. This diameter is particularly useful for plumbers and bathroom fitters working with 15mm copper pipe and similar-sized fittings that require clearance through tiled surfaces. The 12mm bit combines vacuum brazed diamond technology with a practical hex shank design, delivering professional-grade performance on the toughest porcelain tiles. The advanced diam