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The Grand Unified Grit Chart

Discussion in 'Maintenance, Tinkering & Embellishment' started by Komitadjie, Jun 13, 2011.

  1. Chris "Anagarika"

    Chris "Anagarika"

    Mar 7, 2001
    Used to work, today it's gone too?

    Anyone has an offline version?
  2. bluntcut

    bluntcut KnifeMaker / Craftsman / Service Provider Knifemaker / Craftsman / Service Provider

    Apr 28, 2012
    A scanned copy of 2012 version...
    ... removed ...
    I will remove this pic, once the official version:thumbup: is back online.

    Edit: removed link to old version
    Last edited: Dec 6, 2015
  3. Claes


    Jan 20, 2006
    Thank you!
    Last edited: Nov 14, 2015
  4. Llasi

    Llasi Basic Member Basic Member

    Mar 1, 2013
    Error, sorry.
  5. Chris "Anagarika"

    Chris "Anagarika"

    Mar 7, 2001

  6. Claes


    Jan 20, 2006
    I just noticed that the link in post #1
    works again. Thank you!

  7. RedFury


    Jun 17, 2015
    Good grief. I was using sandpaper back in the 1970's first in Furniture making and then in auto body shop. I thought 100 grit was 100 grit and as the number got bigger the grit got finer. Sure is not so simple anymore.
  8. vanadium

    vanadium Gold Member Gold Member

    Apr 5, 2003
  9. Ed1955


    Jul 10, 2016
    What about the Russian conversion to grit and microns? A lot of us now own the Tech Profile systems and some of their stones are not marked?
    I know I've seen it here but can't remember where.
  10. esurm


    Jun 12, 2011
    The Russian stones are marked in microns with 2 numbers like 50/40 or 20/14 etc. The numbers are the high and low numbers and the grit in those stones is between those 2 sizes so there is not an exact number for them, it is approximate. Take those numbers and look up the micron size and what ever grit conversion you want.
  11. Ed1955


    Jul 10, 2016
    Thanks so much!
  12. Komitadjie


    May 31, 2011
    Updated the chart with Rupert's assistance to include the Spyderco diamond rods, using information from the Spyderco forums.
  13. cbwx34


    Dec 27, 2004
    You mean, the same info you got.... in 2012?:rolleyes: :D
    Last edited: Jul 5, 2017
  14. Hytekrednek


    Jun 8, 2017
    how can i print this chart? Any chance I can get a PDF emailed to me?
  15. cbwx34


    Dec 27, 2004
    Just open it in Google docs.... then click on File... Download as... and there's an option to save it as PDF (among others).
    Hytekrednek likes this.
  16. Hytekrednek


    Jun 8, 2017
    Thank you. I got it printed.
  17. adamlau


    Oct 13, 2002
    From where are the JIS values obtained? Neither JIS R 6001:1987 nor JIS R 6001:1998 reflect what is described in the unified chart....
  18. Willky1


    Jul 10, 2014
    I know this will tip my hand as a noob, but would it be possible to add a legend or key to the Google Doc that explained what the abbreviations mean? I read through this thread and tried to search a couple of these, and didn't have much luck finding explanations for all the abbreviations (i.e. ANIS). However, even with my inexperience, this chart has answered a ton of questions I've had so far. Thanks so much for everyone's work putting this info together!
  19. adamlau


    Oct 13, 2002
    You searched the word ansi and was not able to discern that it references a standard?
    FortyTwoBlades likes this.
  20. FortyTwoBlades

    FortyTwoBlades Baryonyx walkeri Dealer / Materials Provider

    Mar 8, 2008

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