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135˚ Point Posted by Gene N [Email] (#1094) [Profile/Gallery] (more from Gene N) on Mon, 31 Jan 2005 09:36:14 In Reply to: Drilling hardened steel opinions/suggestions?, Justin(UK), Mon, 31 Jan 2005 06:21:38 Members do not see ads below this line. - Help Keep This Site Online - Signup |
A drill bit with a 135˚ point will do better than a standard 118˚ point for high strength steel, all other things being equal. The cobalt steel bits are better and the cooling suggestions are also good.
posted by 208.20.22...
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