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Thread: Micrometer recommendations?

  1. #1
    Join Date
    Mar 2002
    Location
    Black Rock, Ct
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    9,594

    Default Micrometer recommendations?

    So, in my attempt to install the waited for all summer and just arrived engine parts to rebuild my motor in time for the NARRC Runoffs, I have discovered my micrometer can't decide on measurements. Take 'em twice, viola! Two different readings. Three tries=three readings. So, I've decided to chill and wave the white flag...and get another micrometer.

    Recommendations?
    I'd rather not spend hundreds and hundreds on a tool I use rather infrequently, but, I do want something that will be accurate and repeatable.

    Also, the good book calls for measuring the side plates with a straight edge. I've used real straightedges before, I I know they aint cheap. Any ideas on a source that won't break the bank? Is buying used a folly in this case?
    Jake Gulick


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  2. #2
    Join Date
    Apr 2008
    Location
    Orlando, FL
    Posts
    774

    Default

    mitutoyo. You can find them on ebay for decent deals, and they are very repetable and accurate to something like 0.00005" or 0.001mm
    Track Speed Motorsports
    http://www.trackspeedmotorsports.com/

    Steven Ulbrik (engineer/crew/driver)
    [email protected]

  3. #3
    Join Date
    Feb 2002
    Posts
    402

    Default

    Mitutoyo is the industry standard right now. Depending on the range you need I would consider Brown & Sharp and Starrett. I steer clear of the Chinese micrometers as I don't want to buy them regularly.

    I got a nice Starrett straight-edge from Enco Tools for @ $60. Starrett doesn't have the best micrometers, indicators, and calipers, but their other tools are probably the best.
    Last edited by rsportvolvo; 09-29-2010 at 05:43 PM. Reason: added straight edge info
    David Russell
    IT Volvo 242

  4. #4
    Join Date
    Apr 2008
    Location
    Orlando, FL
    Posts
    774

    Default

    My father when he was a machinist in the 80's used starretts. However both tose and the Brown and Sharps are a bit more pricy.
    Track Speed Motorsports
    http://www.trackspeedmotorsports.com/

    Steven Ulbrik (engineer/crew/driver)
    [email protected]

  5. #5
    Join Date
    Jan 2002
    Location
    Somewhere in Upstate New York
    Posts
    1,033

    Default

    Abrasive Tool (that's a company name...I'm not name-calling...for now...). Big on-hand inventory of stuff.

    http://www.atcsales.com/


    ...or maybe ENCO

    http://www.use-enco.com/CGI/INSRHM

  6. #6
    Join Date
    Aug 2006
    Posts
    384

    Default

    mitutoyo

    if your trying to buy cheap, rather buy a used mitutoyo than a new made in china piece of junk

  7. #7
    Join Date
    Oct 2004
    Location
    Asheville, NC US
    Posts
    1,626

    Default

    Starrett or Mitutoyo used on ebay if needed. I have 30 year old starretts that are still perfect at calibration time. I would suggest you not rely on a straight edge to check your plates as you really can not get down into the deeper wear areas from the side seals. Use a dial indicator and stand if you can borrow one. Or take a road trip and we can resurface them in a day to .0001 flatness.
    Steve Eckerich
    ITS 18 Speedsource RX7
    ITR RX8 (under construction)

  8. #8
    Join Date
    Sep 2008
    Location
    FL.
    Posts
    1,384

    Default

    JW, I thought that you only called me that...
    Maybe it was big tool, or fool. Later. MM
    Mike Ogren , FWDracingguide.com, 352.4288.983 ,http://www.ogren-engineering.com/

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