Quote:
Originally Posted by MasterBlaster
Does the chaser tap just re thread the hole for the bolt? I had trouble with one bolt refusing to tighten all the way the last time I went to put my skid plate back on.
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They are normally called plug taps or starter taps because the lead angle never heard of a chaser tap lol. But the angle self-centers the tap and keeps you from cross threading while hand tapping and chasing.
There's also flat bottom taps where if the hole is blind it will thread all the way to the bottom. There's also Roll taps, sti taps but those are irrelevant to this.
Make sure your tap is gh2 or gh3. The bigger the number the looser the fit last thing you want is to chase it with a gh5 or larger and end up with a over-sized thread and have a loose fitting bolt.
And buy a quality tap like OSG I've had to extract out sooo many cheap Chinese taps for people, or broken drills and easy outs from them trying to remove the broken tap its not even funny. Last thing you want is to pack up a cheap tap and snap it off under your rig. They never snap cleanly and its impossible to drill it out with a hand drill and carbide drill bit without destroying the threads and having to install a helicoil or worse snap that drill off in the process.
Sorry for the long winded post 10 years of machining and a slow day in the shop.