• Set of diamond-coated glass drill bits for clean, crack-free holes in glass and ceramics
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Glass Drill Bits

Glass Drill Bits

Glass Drill Bits – Precision Tools for Clean, Crack-Free Holes in Glass & Ceramics

Engineered for precision cutting through hard, brittle materials, our range of Glass Drill Bits delivers reliable performance for drilling into glass, tiles, mirrors and glazed ceramics without cracking or chipping the surface. Unlike regular drill bits, these specialised bits feature spear-shaped or carbide/diamond-coated tips designed to gently grind through delicate material while reducing stress and preventing damage.

Whether you’re working on DIY projects, home renovation, glazing installations or craft tasks, these glass-specific drill bits make creating smooth, accurate holes fast and efficient — even in hard surfaces that standard bits can’t handle.

🔧 Key Features & Benefits

Specialised Cutting Tips: Designed with spear-point, carbide or diamond-coated tips that drill through glass, glazed tiles and ceramics cleanly without cracking or chipping.

Precision Performance: Spear-shaped geometry guides the bit precisely, helping to maintain centring and produce clean holes with minimal surface damage.

Low-Speed & Controlled Drilling: Best used at slow drill speeds with light pressure to reduce heat buildup and protect delicate materials.

Versatile Use: Ideal for creating holes for fittings, fixtures, wiring, shower fixtures, mirrors and more in glass, ceramic tiles, porcelain and hard glazed surfaces.

Wide Size Range: Available in multiple diameters to suit different hole requirements — from small pilot holes to larger openings for hardware installs.

🛠️ Perfect For

✔ Craft and hobby glass drilling
✔ Bathroom & kitchen tile installations
✔ Fitting glass shelves, mirrors or fixtures
✔ Creating cable, pipe or fitting access holes
✔ DIY home improvements involving brittle materials

How to Request a Quote
  1. Find the size and product code you need from table below.
  2. Enter product code and quantities required
  3. Click Add To Quote
  4. Repeat on any other product pages as needed.
  5. Once done, submit your quote to our sales team who will be in touch within 1 hour.

Alternatively feel free to call us now on 01279 656189 for an immediate response!
View full details
SKU Drill Size (mm) Overall Length (mm)
GTD3 3.0 60
GTD4 4.0 60
GTD5 5.0 60
GTD6 6.0 60
GTD6.5 6.5 75
GTD7 7.0 70
GTD8 8.0 75
GTD9 9.0 70
GTD10 10.0 86
GTD12 12.0 80
GTD13 13.0 100

Why shop with us?

  • Best priced trade discounts

    Indifit is a leading supplier of industrial components with a reputation for top quality at competitive, affordable prices for your organisation. For pricing and availability of specific items, feel free to browse our online catalogue and reach out to us if you’d like a quotation for a component.

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  • Huge range of engineering components

    Finding the right industrial component for your specific application can be a frustrating experience, but it doesn’t have to be. Our guarantee to you is that you’ll always be received by friendly, helpful, and efficient experts. Take advantage of our product and industry expertise to find exactly what you’re looking for.

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  • Fast next-day delivery

    We offer fast next-day delivery on all in-stock products from our warehouse in the UK. We never charge for minimum orders nor do we have minimum order quantities, so whether it’s a packet of fasteners or bulk quantities you can depend on our speedy next-day delivery to your address.

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Related Products

  • Decades of experience

  • Huge range of engineering finishing components

  • Best priced trade discounts

  • Fast next day delivery

Frequently Asked Questions

What makes glass drill bits different from regular drill bits?
Glass drill bits are specially designed with spear-shaped, carbide, or diamond-coated tips that gently grind through delicate materials like glass, ceramic tiles, and mirrors, providing clean, crack-free holes unlike standard drill bits.
How should I use glass drill bits to avoid cracking or chipping the material?
For best results, use glass drill bits at low speeds with light pressure, and ensure you have a steady hand to minimize stress on the material, helping to create smooth, precise holes without damage.
Can glass drill bits be used on other materials besides glass?
Yes, glass drill bits are versatile and ideal for drilling into glazed ceramics, porcelain, and hard glazed surfaces, making them suitable for various DIY projects and home renovations involving brittle materials.
What sizes are available for glass drill bits, and how do I choose the right one?
Our glass drill bits come in multiple diameters, ranging from small pilot sizes to larger openings, allowing you to select the perfect size for your specific holes—whether for fittings, fixtures, or drill access.
How do I properly care for and maintain my glass drill bits?
To maintain optimal performance, clean the bits after use, avoid overheating by drilling at low speeds with light pressure, and store them in a dry, safe place to prevent damage and ensure longevity.
What makes glass drill bits different from regular drill bits?
Glass drill bits are specially designed with spear-shaped, carbide, or diamond-coated tips to gently grind through delicate materials like glass and ceramics, minimizing the risk of cracking or chipping during the drilling process.
How should I use glass drill bits for best results?
For optimal performance, use low-speed drilling with light pressure to reduce heat buildup and prevent damage. Make sure to keep the drill steady and let the bit do the work for smooth, clean holes.
Can I use glass drill bits on materials other than glass?
Yes, glass drill bits are also effective on glazed ceramics, mirrors, porcelain, and hard glazed surfaces, making them versatile tools for various DIY projects and installations.
What sizes of glass drill bits are available, and which should I choose?
Our glass drill bits come in multiple diameters to suit different needs, from small pilot holes to larger openings for fittings or fixtures. Choose the size based on your specific project requirements.
Are glass drill bits suitable for DIY projects and professional use?
Absolutely. Glass drill bits are ideal for both DIY enthusiasts and professionals, offering precise, crack-free drilling in hard, brittle materials for home renovations, crafts, and glazing installations.