Diamond Drill Bits for Glass, Ceramic & Gemstones

• Precision diamond drill bits (solid and hollow core drill bits) designed for producing clean, accurate holes in hard and brittle materials. Ideal for glass art (fusing, stained glass), jewellery making and other artistic applications.
• Suitable for drilling glass, ceramics, porcelain, tiles and natural stone, as well as semi-precious gemstones such as opal, turquoise, agate, jasper, jade and more.
• Industrial diamond coating ensures clean cutting, high precision and helps minimise chipping or cracking when used correctly.
• Always use with water, preferably with both the drill bit and the workpiece submerged, to provide continuous cooling, remove grinding debris and significantly extend the tool's service life. Low to medium drilling speeds and light pressure are recommended. Do not use hammer mode.
• Ideal for drilling holes in beads, fused glass projects, mosaic tiles, ceramic objects, jewellery, decorative items and other precision craft applications.
• Dimensions: Overall length approximately 35mm, shank diameter approximately Ø1mm, diamond-coated working length approximately 3mm.

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