Bihui Pro 12mm Diamond Hole Saw (Straight Shank Hex Fitting) Corner Door This heavy structural mass resists

This heavy structural mass resists internal dezincification

Hygienic Rimless Technology: The Gap Round pan features a rimless design

and various metals without requiring separate primers

Minimises energy waste by preventing heat dissipation through the pipe walls

It comes highly recommended for maintenance plumbers

Bihui Pro 12mm Diamond Hole Saw (Straight Shank Hex Fitting) Corner Door This heavy structural mass resistsThe Bihui Pro 12mm Diamond Hole Saw is a professional grade, high precision core drill bit engineered specifically for immaculate wet drilling through the densest architectural materials. Measuring 12mm in diameter, this heavy duty hole saw is ideal for boring plumbing pilot lines, robust anchor points, and mechanical fixing holes across all types of ceramic tiles, modern porcelain, and delicate natural stones. Prioritised by professional tilers,