Bosch7x EXPERT CYL-9 MultiConstruction Drill Bit Set (for Concrete, Soft tiles, Ø 5-10 mm, Professional Accessory Impact Drill/Driver, Rotary Drill/Drivers)

I have been using these drills for many year, cut through metal wood, ceramic, brick. Great drills at a good price

I purchased these because my workplace purchased me and my colleagues standard Hammer Drills not an SDS .Despite the exceptional load placed on them they lasted really well, didn’t heat too quickly, remained sharp and accurate . With the correct drill I’m sure they would have lasted longer.

Useful set of masonry bits. Recommended.

I have a house with some extremely hard bricks. They are like an engineering brick and 'ordinary' masonry drill bits really struggle.I had a requirement to fit a batten to a lintel over a door. The ordinary masonry drill bits made no impression on the lintel, so I needed a better masonry bit.The choice boiled down to a DeWalt Extreme and this Bosch CYL-9.The Bosch CYL-9 just edged it. I then tried it on some of my bricks (to fit a couple of new LED security lights) and the CYL-9 made a better job than my usual masonry bits.Advice on a DIY forum was to use a SDS drill and bit - but as I was only drilling six holes, that investment didn't seem worth it.Only 4 stars though because it was still difficult to drill into the bricks and lintel.I can't make any comment onto the longevity of the drill bit as so far, I've only drilled a total of ten holes with it.

Always use these drill bits as they go through most material without changing bits. Good quality last a long time. As they say buy cheap buy twice.

This drill bit is so far beyond any standard steel ones that I wished I could have given it 10 stars. It sailed through plaster, then breeze block, then brick all in one go. Superb.

Always good drill bits and no need for hammer action, which is especially handy for brittle, hard surfaces like tiles for example.

Typical Bosch quality

According to the label, the drill bit set I received is made in China and not in Germany.

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