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Overview
【ALLOYED STEEL MATERIAL】: Drill Bit Set The glass drill bits are forged from high quality alloy steel and enable smooth and precise drilling in ceramic tiles, marble, mirrors, glass, aluminum, concrete and wood. For best possible results, the durable drill bit should be well lubricated. This is most commonly done by running water over the drilling surface 【DIMENSION】: The multi-material drill bits are equipped with a 6 mm tip and feature a 1/4 inch design that reduces breakage. Length: 70 mm, handle: approx. 3/16 inch. Our spearhead drill bits are very durable and designed to last a very long time. 【APPLICATION】Ideal for drilling ceramic tiles, glass, marble and mirrors. When drilling hard materials, please use water for lubrication, good cooling can extend the life of the drill bit. Glass drill bits are usually used with electric drills to drill holes in all the materials listed 【 tungsten carbide tip】: The ceramic drill bit features a tungsten carbide tip for efficiency and longer