Uk Drills Glass And Tile Drill Bit - 12.0mm

This 12.0mm drill bit is designed for use on glass, tile, ceramic, mirror, and marble surfaces. Fe...

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B&Q - Uk Drills 3mm Glass & Tile Drill BitTungsten Carbide TipRound ShankFor MarbleCeramic & Mirror
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Product Information

Full details

The Uk Drills 12.0mm Glass and Tile Drill Bit is an essential tool for DIY enthusiasts and professionals working with brittle materials like ceramic, marble, mirror, and glass. Engineered with a durable tungsten carbide tip, it provides excellent wear resistance and clean penetration, though users must be careful to keep the bit cool during operation to prevent overheating and material cracking.

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BrandB&Q

Extended Product Information

FAQs

Can I use this with a hammer drill?

No. You must disable the hammer or impact function. Using hammer mode will likely break your tile or shatter the glass.

Do I need to use water when drilling?

Yes, using water or a cooling fluid is highly recommended to manage friction and prevent the drill bit from overheating.

What is the tungsten carbide tip used for?

It provides extreme hardness, allowing the bit to cut through tough, glazed, or fragile materials without dulling quickly.

Can this bit be used on metal?

No, this bit is specifically designed for glass, tile, and stone. Using it on metal will cause premature dulling and poor performance.

How do I ensure a clean hole in a mirror?

Use a slow, steady speed, keep the area cool, and apply light pressure. Always ensure the mirror is supported on a flat, solid surface.

Is this bit compatible with my cordless drill?

Yes, this bit is compatible with standard drill chucks found on most cordless and corded power drills.

Troubleshooting

Bit is getting very hot and smoking

Reduce your drill speed and ensure you are using a cooling liquid or water during the process.

The hole is not progressing into the tile

Ensure you are using a rotary-only drill setting. If the bit is dull, the tungsten carbide tip may need replacement.

The tile surface is chipping at the entry point

Apply a piece of masking tape over the target area before drilling to create a stable, non-slip surface.

Pros and Cons

Pros

  • High wear resistance for extended tool life
  • Spear-head design significantly reduces surface chipping
  • Ideal for brittle, hard materials that crack easily with standard bits
  • Smooth and clean entry holes
  • Compatible with standard drill chucks

Cons

  • Not suitable for drilling through heavy metals or masonry
  • Requires low drill speeds to prevent burning the tip
  • Must be kept wet to avoid overheating the material
  • High risk of breakage if used with hammer drill mode

Setup, Compatibility & Care

Before starting your project, ensure your drill is set to the rotary-only mode; do not use hammer action. Secure your workpiece with clamps to prevent movement, which can cause the bit to skid and scratch the surface. If drilling glass, place a piece of masking tape over the intended spot to provide extra grip for the bit tip. After use, clean the bit with a soft cloth to remove residual tile or glass dust, and store it in a dry, protected case to prevent the tungsten carbide tip from chipping against other metal tools.

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