Diamond Hole Saw Drill Bit Cutter - 50mm

This 50mm diamond hole saw is designed for precision cutting in a variety of hard surfaces includi...

Best current price£9.09from B&Q

One Offer

1 offer from £9.09

View price history by clicking the chart icon.

B&QB&Q - 50mm Diamond Hole Saw Drill Bit Cutter For TileGlassCeramicPorcelain & Marble
Free delivery in 1–3 days
£9.09
Visit shop

Product Information

Full details

The Dapetz 50mm Diamond Hole Saw is designed for professionals and DIY enthusiasts who require precision holes in challenging materials such as porcelain, ceramic, marble, and glass. Its key benefit is the high-quality diamond grit construction, which delivers clean, chip-free edges for professional-grade results; however, users must note that this bit requires consistent water cooling to prevent overheating and premature wear.

All features

Model Part NumberDP10665
BrandDapetz

Extended Product Information

FAQs

Does this bit work with a hammer drill?

No, you must disable the hammer/impact function on your drill. This bit is designed for rotary drilling only; hammer action will damage the diamond edge.

Can I use this dry?

It is highly recommended to use water as a coolant. Dry drilling will significantly shorten the lifespan of the diamond coating and may cause the material to crack.

Is this suitable for drilling through tempered glass?

No, tempered glass is under high internal tension and will shatter if you attempt to drill it. This bit is only for standard glass and tile.

What is the maximum thickness this can cut?

This bit is designed for standard tile, marble, and glass thickness. Check the depth of your material against the barrel length of the saw.

Do I need a pilot bit?

This model does not include a pilot bit. The recommended technique is to start the cut at a 45-degree angle to create a groove before straightening the drill.

Troubleshooting

Bit is not cutting into the surface

The diamond grit may be 'glazed' over. Use a sharpening stone or a scrap piece of abrasive masonry to expose fresh diamond grit.

Excessive chipping during drilling

Apply less downward pressure and ensure you are using a consistent flow of water to keep the contact area cool and lubricated.

Drill bit wandering on start

Use a piece of masking tape on the surface to provide traction, or use a plastic guide template to hold the bit in place until the notch is formed.

Pros and Cons

Pros

  • Delivers clean, smooth cuts in hard materials
  • Fits standard power drill chucks without adapters
  • High-quality diamond grit provides long tool life
  • Effective at reducing material chipping or cracking

Cons

  • Requires constant water lubrication for optimal performance
  • Not intended for use on metal or masonry
  • Slower drilling speed compared to standard steel bits

Setup, Compatibility & Care

To set up, simply insert the 50mm hole saw into the three-jaw chuck of any standard electric or cordless power drill. Ensure the bit is tightened securely to prevent slippage.

Compatibility: This tool works with standard chucks and does not require proprietary power heads or specific adapters.

Care instructions: After each use, rinse the bit in clean water to remove dust and debris. Do not store the bit while damp to prevent potential surface oxidation. Store in a dry, organized tool box to protect the diamond coating from impact damage.

Price History

DatePrice
Visit shop