Our 3/32″ shank twist drills with electroplated diamond particles are the ultimate for drilling stones, pearls, glass or ceramics. Use with any standard flex shaft handpiece and a small amount of water as lubricant. All drills are medium-fine grit.

Sold individually in 6 sizes from 1.00mm to 2.10mm or in a set of all 6 sizes.

All on 3/32″ shanks.


Diameter (mm) Inch Equivalent
1.00 0.0393
1.30 0.0512
1.40 0.0551
1.60 0.0630
1.80 0.0709
2.10 0.0827
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