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Grease fitting question...

Discussion in 'Mechanic and Repair' started by HighGrass, Jul 2, 2005.

  1. HighGrass

    HighGrass LawnSite Bronze Member
    from Z5 MA
    Messages: 1,237

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

    Thanks.
     
  2. Dirty Water

    Dirty Water LawnSite Fanatic
    Messages: 6,794

    Both 1/8th" and 1/4" are considered standard size for grease fittings.

    Tap varies depending on thread pitch.
     
  3. fixer67

    fixer67 LawnSite Silver Member
    Messages: 2,098

    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
     
  4. Tharrell

    Tharrell LawnSite Silver Member
    Messages: 2,964

    Ditto Fixer67.
     

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