arzajac
567 posts
Jul 10, 2011
4:19 AM
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Hi Littoral
see this thread:
http://www.modernbluesharmonica.com/board/board_topic/5560960/1613404.htm
I phoned Microfasteners and they ordered those bits. The special order took a few days more than a regular order but they were very easy to deal with.
That being said, I prefer to use a slightly smaller bit instead. It find it easier to tap. I just use the smallest bit in most standard drill bit sets (1/16th of an inch) and then 5/64 or 3/32 for clearance. Much easier to find and the tighter fit helps me make a straighter path.
Am I wearing out my tap? Probably, but It doesn't seem to be a problem - It's more damaged from being dropped on the floor than tapping a slightly smaller hole in brass.
I hope this helps.
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