Originally Posted by 8PTBUCK
Can you explain this to me a little better? What's the .008 come from?
the oversize of the hole for the thread engagement.
he is referring to the standard drill size for that particular tap, versus the bore size of the DOM. The bolt will have less thread engagement because the hole is already blown out larger than the smallest diameter for the most thread engagement. the .008" per side is considered negligible for that large of a thread.