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Reviews of Diamond Coated Drill Bits

THESE WORK! (by Barbara, 01/02/2019)

Quality: 5 | Customer service: 5 | Overall product satisfaction: 5

These drills work! After trying two other diamond drill types from different sources (hollow and rounded tip), I was able to successfully drill my sea glass first time using these drills with no difficulty. I followed the Kernowcraft sea glass drilling tips and it was very straight forward. Thoroughly recommend.

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