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Old 03-23-2010, 07:59 PM
Migman Migman is offline
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Get yourself a thread pitch gauge. Make sure you are using the same pitch bolt as the tapped hole. If the hole is in aluminum make sure the the threads are not galled. If they are use a threadsert or helicoil. I've never seen a clean tapped hole that the correct size bolt would not go in by hand turning only. Something is wrong somewhere. A flash light and a magnifying glass would be a good starting place.
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