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Old 11-30-2023, 04:04 PM
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M&J M&J is offline
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Join Date: Dec 2004
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Carbide drill bits for carbon fiber?

Any of you using carbide bits for drilling carbon fiber? Thoughts-suggestions?

I have a variety of typical twist drills and they do work but dull quickly. A cobalt bit may get about 12 holes with the first 4-5 being good. Thereafter they get dull and chew the fibers leaving a not so clean hole. I'm using a wetting agent mixed with dish soap which I have been pleased with when drilling stone but those use diamond bits. Diamond bits are not available in the sizes I need for this and even some carbide may be overly $ to use.

When I drilled the scales for these, it was sad to have gone through 3 drill bits for the progression. Cost of making yet it still is sad.



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Last edited by M&J; 11-30-2023 at 10:22 PM. Reason: typo
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a, angle, bee, carbon, carbon fiber, clean, cutting, diamond, drill, hunting, knife, knives, making, profile, scales, stone, titanium


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