Extremely versatile and guaranteed to deliver. These multi-service drill bits are without equal in the market and offer trade professionals a one stop solution for common fixing jobs. Eliminates the need and expense of having to carry a variety of bits for so many surfaces. Suitable for Brick - No Blowout, Faster, Cleaner, quieter and longer lasting than Masonry Drill Bits! Porcelain Tiles – goes through the most, hardest porcelain tiles in seconds…..(Tip: Be Patient, we know there are extremely hard porcelain tiles from Europe, use the 4mm pilot to go through the surface, then proceed with the required size. Granite/ Marble – Yes it does go through Hard Woods – fast, clean and long lasting. Concrete, Fibre Cement Plastic / Acrylic and Perspex Suitability Chart Highly Recommended Timber / MDF, Terrazzo, Porcelain Tile, Polycrete, Plaster Board, Marble, Limestone, Composite Stone, Ceramic Tile, Cement Sheet, Bricks (hard clay), Bricks (soft clay) Suitable Plastics, Granite, Glass, Fibreglass, Concrete (reinforced), Blocks (concrete) Possible, not ideal Mild Steel,Copper / Brass,Aluminium User Guide Do NOT use hammer function Max Speed 500rpm, burn out will occur and higher speeds reducing performance Water is not required while drilling. Cool bits with water between holes for longer life. Professional Tips Do not use hammer function. Start slowly and apply firm pressure. Recommended MAX speed 500 RPM-burn out will occur at higher speeds. Use 4mm bit as pilot in extremely hard surfaces. This will significantly increase the life of more commonly used sizes. Options TT-PF5 TT-PF5.5 TT-PF6 TT-PF6.5L TT-PF4 TT-PF6.5 TT-PF8 TT-PF10X140 TT-PF6L Options TT-PF5 TT-PF4 TT-PF5.5 TT-PF6L TT-PF6 TT-PF6.5 TT-PF6.5L TT-PF8 TT-PF10X140