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    Ceramic & Glass Drill Bits – How to Work Without Damage

    Why specialized bits are essential

    Ceramic and glass require a completely different approach than standard drilling. Regular metal or masonry bits cause cracking and chipping due to the hardness and brittleness of these materials. Diamond-coated bits with water cooling are the only reliable solution for clean, precise holes without damage.

    Diamond bits – how they work

    The diamond coating on the bit tip gently grinds the surface rather than cutting it, which prevents the formation of microcracks. FESTA and Levior offer bits in various diameters with quality diamond grit that can withstand up to 50 holes in ceramic tile. Always use constant water cooling during operation.

    Machines for precise cutting

    For larger projects, professional machines like the Mašina za keramiku PROFI 1550mm FESTA deliver straight, accurate cuts along the entire length of a tile. These tools use a roller system and reinforced rail for repeatable cuts without oscillation. Regularly replace consumable parts such as Rezervni nož za mašinu za keramiku 600mm - 900mm SUPER PRO to maintain cutting quality.

    Drilling techniques for best results

    Position the bit at a 45° angle when starting to create a guide groove and prevent slipping. Then slowly straighten to 90° and continue with constant, light pressure. Pressing harder increases friction and temperature, leading to material cracking or premature bit wear.

    Glass requires extra care

    When drilling glass, adhesive tape over the drilling point reduces vibrations and helps the bit maintain position. Super Pro tools designed for glass have finer diamond granulation that prevents aggressive cutting. Never attempt to drill glass without water – overheating causes tiny cracks that continue spreading hours after the work is finished.

    What to consider when buying

    Check that the bit set covers the diameters you'll use most often – 6mm, 8mm and 10mm are standard for most installations. Quality bits have clearly marked maximum material thickness and number of possible drillings. Brands like FESTA and Levior offer warranties on diamond coating, which indicates confidence in product durability.

    Selection and Pricing

    We offer 34 products from 3 brands across 2 sellers. Prices range from 399 to 63,800 RSD. Currently 1 products are on sale with an average discount of 35%.

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