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Jewelers use Diamond Drill Cylinder, with diamond particles electroplated onto 3/32" shank twist drills. Perfect for drilling stones, pearls, glass, or ceramics. Uniform shank diameters enable jewelers to use fixed-collet handpieces. Water should be used as a lubricant when using diamond-coated instruments.
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Regular
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Twist Drill
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Perfect for drilling stones, pearls, glass, or ceramics.
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Longevity is assured, as the diamond particles are electroplated onto the surface of the metal.
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