Bosch Expert 4 Piece CYL-9 Multi Construction Drill Bit Set

The Bosch Expert 4 Piece CYL-9 Multi Construction Drill Bit Set is a professional-grade drilling solution designed to handle a wide range of building materials from a single set.

Covering four commonly used diameters — 5.5mm, 6mm, 7mm, and 8mm — this set is built for contractors and tradespeople who regularly work across mixed materials on site. Whether you're drilling into concrete, brick, soft tile, wood, metal, or even hard materials such as granite, the CYL-9 delivers accurate, clean results without the need to switch between specialist bits.

Each bit features Bosch's Centering Geometry, providing a slip-free start and stabilised drilling action for precise hole placement every time. The high-performance carbide tip is produced using a fine grinding technique, allowing razor-sharp cutting edges that maintain efficiency across hundreds of holes. An optimised dust extraction channel works in tandem with the fluting to clear chips quickly and keep the drilling process running smoothly.

Bosch rates the CYL-9 as up to 5x more precise than the CYL-3, making this set a reliable upgrade for professionals who need consistent accuracy in demanding conditions. The cylindrical shank is compatible with standard three-jaw drill chucks, ensuring broad compatibility with corded and cordless drills alike.

Features and Benefits:
• Up to 5x more precise than the Bosch CYL-3 drill bit
• Drills accurately into granite, concrete, brick, soft tile, wood, and metal
• Bosch Centering Geometry ensures a slip-free start and stabilised action
• Fine-ground carbide tip delivers razor-sharp edges for efficient cutting
• Optimised dust extraction channel and fluting for rapid chip removal
• Specially designed centring tip for accurate hole placement
• Cylindrical shank compatible with standard three-jaw drill chucks

Specifications:
Diameters included: 5.5mm, 6mm, 7mm, 8mm
Total length: 85mm, 100mm, 100mm, 120mm
Working length: 50mm, 60mm, 60mm, 80mm
Net weight: 0.113kg
Number of pieces: 4

Contents:
EXPERT Multi Construction CYL-9 Drill Bit — 5.5mm, 6mm, 7mm, 8mm (4-piece)