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![]() I know Alga but that calculation has worked fine for me so far, for bigger threads i just use diameter less Pitch and its worked okay, except for M18 fine thread which needs a starter hole of 16.5mm then 16mm.
Wikipedia is a really good page, equation you refer to is: ![]() ![]() ![]() Too Early....AndyH
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Haynes Roadster / Saturn GRP Bodywork. Now available direct through http://www.gillhamonline.co.uk/ or contact me direct on andrew.hugill@ntlworld.com Regards..........AndyH |
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