BOSCH 5+1 drill bit set (3 porcelain, 2 concrete, 1 multi-construction) 6mm

5+1 drill bit set: 3 x 6mm EXPERT HEX-9 HardCeramic drill bits EXPERT HEX-9 HardCeramic carbide drill bit for drilling porcelain or hard tiles without water cooling. 10 times longer life than conventional carbide ceramic drill bits thanks to Bosch Carbide Technology. Arrow-shaped carbide tip with special design and sharp edges on the head. Easy start of drilling. Hexagonal insert for better grip in the chuck and for use with a drill or screwdriver. Use in rotary mode. CYL-3 drill bit for drilling concrete, stone and brick. Free HEX-9 MultiConstruction drill bit for precise drilling thanks to Bosch Centerin Geometry in wood, thin metal, concrete, soft ceramic or multi-layer materials. Hexagonal insert for better grip in the chuck and for use with a drill or screwdriver. Drill bit valued at 2.75 eur. (for very hard ceramics), 2 CYL-3 6mm drill bits (for concrete, stone and brick), free 1 EXPERT HEX-9 MultiConstruction 6mm drill bit.