.875 doesn't work. I need .8752 to be absolutely sure I have .0012" clearance.There are also pin gages that are made in the same diameter as the nominal size, so an .875 would work.
I've never dealt with one, you could ask Vermont about them...
If an .875 gage fits in the hole, the hole is probably .8752 or more, because you can't put exact size parts together. You need a couple tenths minimum even in highly finished surfaces to be able to push them together. That's the problem with using gage pins to measure holes. The rougher the surface, the more clearance you need for it to fit..875 doesn't work. I need .8752 to be absolutely sure I have .0012". Johnson lifters measure maximum of .8740
If an .875 gage fits in the hole, the hole is probably .8752 or more, because you can't put exact size parts together. You need a couple tenths minimum even in highly finished surfaces to be able to push them together. That's the problem with using gage pins to measure holes. The rougher the surface, the more clearance you need for it to fit.
A .875 dowel pin should measure right at .8752 if it helps. A dowel is presision ground. The problem would be finding just a single, they usually come in box quantities..875 doesn't work. I need .8752 to be absolutely sure I have .0012" clearance.
Johnson lifters measure maximum of .8740
McMaster has themThe problem would be finding just a single, they usually come in box quantities.
Yep, I was looking around for someplace that sells singles, and they do have them.McMaster has them
The 18-8 stainless one says .8750 to .8752"... so that's pretty much what I'm looking for for $30 and freight.Yep, I was looking around for someplace that sells singles, and they do have them.
If I had any that big I'd send him one, have boxes of all the small sizes.
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McMaster-Carr
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Disclaimer: I only use Holochrome brand, would feel retarded if some other brand wasn't as acurate. The one above says .0001-0003.
Make sure you make moaning noises when they slide in.My lifters are measuring 22.194mm and 22.195mm
Basically .8738"
So if I can find a damn .8750 pin or whatever, we should be clear as long as it goes. Not ideal, but I don't have much more time to waste