Our 6 piece 3/32" shank Swiss-made twist drills with electroplated diamond particles are the ultimate for drilling stones, pearls, glass or ceramics. Use with standard handpieces and a small amount of water as lubricant. All drills are medium-fine grit.
Find this tool at: http://www.jewelrytools.com/eurotool/jewelry-drill/Diamond-Coated-Uniform-Shank-Drills-Set-of-6.html
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