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Old 07-02-2005, 07:00 PM
HighGrass's Avatar
HighGrass HighGrass is offline
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Join Date: Sep 2003
Location: Z5 MA
Posts: 1,238
Grease fitting question...

Anybody know what size drill and tap to install a standard size grease fitting?

If you can afford to feed it, you can afford to pay me to cut it.
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Old 07-02-2005, 08:01 PM
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Dirty Water Dirty Water is offline
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Join Date: May 2005
Location: Redmond, WA
Posts: 6,800
Both 1/8th" and 1/4" are considered standard size for grease fittings.

Tap varies depending on thread pitch.
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Old 07-04-2005, 11:59 PM
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fixer67 fixer67 is offline
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Join Date: Apr 2004
Location: Tryon NC
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1/8 (national pipe thread) which is 1/8 NPT-27
1/4-28 are the two SAE standard sizes for grease fittings. The also make metric fittings as well. You need to check the fitting you are using. If not 100% sure if you have the right size you could do a test on a piece of scrap metal first
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Old 07-05-2005, 07:45 AM
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Tharrell Tharrell is offline
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Location: Mount Airy, NC aka Mayberry
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Ditto Fixer67.
Remembering all my departed friends.

NObama '08
NoMoreObama '12
Well, I hope everyone is happy now.
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