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Cobalt Drill Bits - Any Recs?
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<blockquote data-quote="Tin Man" data-source="post: 495441" data-attributes="member: 7021"><p>I was reading about Cobalt. The Cobalt bits stay cooler, especially when drilling through aluminum (and its lower melt point). I never learned to sharpen bits so the Drill Dr. works great for me. I was really only considering the Cobalt bits for aluminum boats and aluminum projects. Otherwise my HSS USA made bits are used for most projects and the cheaper Chinese bits for non precise holes.</p></blockquote><p></p>
[QUOTE="Tin Man, post: 495441, member: 7021"] I was reading about Cobalt. The Cobalt bits stay cooler, especially when drilling through aluminum (and its lower melt point). I never learned to sharpen bits so the Drill Dr. works great for me. I was really only considering the Cobalt bits for aluminum boats and aluminum projects. Otherwise my HSS USA made bits are used for most projects and the cheaper Chinese bits for non precise holes. [/QUOTE]
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Cobalt Drill Bits - Any Recs?
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