With up to five times the precision of a standard bit, the Bosch EXPERT CYL-9 MultiConstruction drill bit delivers supreme accuracy in a wide variety of hard building materials.
Use it with tile, concrete, brick, wood or metal - it will always do a professional job, whatever the material. A sharp tip and geometric design will start holes accurately and drill into the material without skidding.
Often on site, you won't know what you might need to drill yet. With this CYL-9 drill bit set in your toolbox, you'll be prepared for anything - never get stuck on a job or waste time looking for the right bit. Designed with a cylindrical shank compatible with three-jaw drill chucks.

• Accurately drills into a variety of hard construction materials
• Tough enough to tackle concrete, brick, wood, metal and tile
• Bosch Centering Geometry makes precision drilling easy
• Specially-designed centring tip to start holes accurately
• Up to 5x more precise than a standard Bosch drill bit
• High-performance carbide tip manufactured by fine grinding
• Optimised dust extraction channel for fast, efficient drilling
• Cylindrical shank compatible with three-jaw drill chucks
• 4.0mm diameter with 75mm length (40mm working length)
• Pack includes 10x CYL-9 drill bits

This item will be delivered directly by our supplier. Lead times are shown on the product and trolley pages and are always advertised in working days (Monday to Friday).

• If your order contains items stocked by us and items that come direct from the supplier, your order will be automatically split and processed accordingly.
• We will pass the details you give us, including delivery details, your email address and your phone number, to the relevant supplier.
• Most of our suppliers can deliver to any UK address. Delivery to remote or offshore postcodes may take a little longer than the advertised lead time. If the supplier cannot deliver to your postcode or we believe your order may take longer, we will try to tell you beforehand.
• Items that come direct from a supplier will be delivered by the courier chosen by the supplier. Where possible, suppliers will update you with delivery information. This may be by email, phone call or text message.
• Items delivered direct from suppliers cannot be returned through a store. You would need to return these items direct to the supplier, unused and in their original packaging, at your expense. You can arrange for most items to be collected by contacting our Customer Services team. A fee of £9* will be taken off your refund. There is no charge for faulty items being collected. *For big and bulky items, additional charges may apply.
• Please note, you cannot return bespoke or made-to-measure items unless they are faulty.