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Shaving Sharp Grit ?

Discussion in 'Busse Combat Knives' started by mach 5, Nov 15, 2016.

  1. mach 5

    mach 5 Gold Member Gold Member

    609
    Apr 13, 2012
    What is the coarsest grit you can achieve shaving sharpness with?

    I use a belt sander, and can't produce a great shaving edge up to 1000 grit. My next move is leather strop with black compound (aprox 3k grit) which gives a fairly effective shaving edge, the leather with green (6k) is a hair popper, so somewhere between 1000 grit and 3k grit for me. I am curious if other techniques like the wicked edge for example will give a shaving finish with a coarser toothier finish. Can anyone shave comfortably under 1000 grit?
     
  2. Ladams19

    Ladams19 Gold Member Gold Member

    Oct 7, 2015
    I second this. I would love to know this information. I have been working on my sharpening skills as well. Curious to see some of our experts ring in on this.
     
  3. tinfoil hat timmy

    tinfoil hat timmy Gold Member Gold Member

    Aug 21, 2014
    You can get a shaving sharp edge with any grit. Just sharpen so that no light reflects off of the cutting edge.
     
  4. NJBillK

    NJBillK Custom Leather and Fixed Blade modifications.

    Mar 27, 2014
    Off the top of my head, I have used 220 grit sandpaper on glass and have been able shave arm hair.
    I have gotten better at freehanding since that was over a year ago, so I am not able to give a current standing.

    Over the weekend, I will give it another go and see how I do. I might have some 60, but I definitely have 80, 100, 220, and up.
     
  5. Snakebreaker

    Snakebreaker Gold Member Gold Member

    Feb 7, 2013
    When you say "shave", do you mean like shaving with a razor.......or cutting a few hairs here and there with one pass at the right angle?
     
  6. mach 5

    mach 5 Gold Member Gold Member

    609
    Apr 13, 2012
    lets say
    quick easy clean pass on the forearm without too much pulling on the hairs

    I can half pull/saw out hairs with coarser grits, but need to get over 1000 for a reasonably easy shave.
     
  7. Rob_Mob

    Rob_Mob

    Oct 16, 2013
    I've been able to produce shaving sharp with enough time and enough attention to detail with a 200 grit edge --- 400 grit regularly.
     
  8. mach 5

    mach 5 Gold Member Gold Member

    609
    Apr 13, 2012
    I suspected the wicked edge might offer an advantage here, would love some pics :thumbup:
     
  9. Niddhogg

    Niddhogg

    429
    Nov 2, 2014
    The apex at around 600 grit will shave like no tomorrow for me.
     
  10. mach 5

    mach 5 Gold Member Gold Member

    609
    Apr 13, 2012
    is that the edge pro apex you mean?

    Also that avatar is awesome! just the right amount of tech and tradition, an RPG bow
     
  11. Niddhogg

    Niddhogg

    429
    Nov 2, 2014
    Yeah, it is. I'm sure the lower grits would also work- after the 220 grit, the edge starts to get use-able. I only wish it were as easy as the work sharp to use- all my blades would have a mirrored edge!

    Thanks, man! Budget cuts and all....
     
  12. Reign

    Reign

    187
    Mar 19, 2016
    With the coursest belt on the KO Worksharp, i can get it to shave pretty nicely. No tugging or pulling of hairs. Just need a bit more pressure to get a clean shave. I cant get a buttery, effortless shave until 2 belts higher though.
     
  13. Same Old Shane

    Same Old Shane

    18
    Sep 9, 2016
    What are you trying to shave?

    Top of you forearm? Against the grain or with the grain?

    Face?Neck?

    Not trying to be obstinate here but this goes back to
    different types of testing, and having a level media
    so we have a known controlled variable.

    You can make steel shave at a heck of a lot lower than 1000 grit, depending on the steel .
     
  14. me2

    me2

    Oct 11, 2003
    I've been able to do it a couple of times with a file. Most knives on this sub forum probably won't respond to a file though.
     
  15. rwn2000

    rwn2000

    713
    Jan 6, 2003
    you should be able to shave arm hair easily at 400 grit and above. my guess is that you are not getting rid of the wire edge or burr at the coarser grits. but that is only a guess.
     
  16. JFLemm

    JFLemm

    294
    Nov 29, 2013
    WOW, I guess that I'm wasting my time sharpening out at 2000, then changing to 5000 to clean it up. But it sure polishes them up to mirror finishes and finger splitting sharp.
     
  17. Ratman79

    Ratman79

    Jan 5, 2016
    600 is a good combo of shaving arm hair and "aggressive tooth." really, shaving sharpness can be achieved at any grit--be sure to fully apex your edge (work each side to a burr) and get rid of the burr when you are finishing.
     
  18. Brian77

    Brian77 KnifeMaker / Craftsman / Service Provider Knifemaker / Craftsman / Service Provider

    Nov 27, 2014
    I support this statement. I find that to work well.
     
  19. papathud

    papathud

    Dec 26, 1999
    Start with an asymmetrical grind at 60 grit then buff the resulting burr on a paper wheel with black, green or white compound and you end up with the typical shaving edge of Busse Combat INFI from 1999 through 2002.

    Some of those knives were so sharp, the knife did not notice where the hair ended and the skin started, and would just cut right into your arm.

    Try to drag a long hair across and if you got the angle right, you could split the hair into several thicknesses, ending up with a hair that looked like a bunch of hairs.

    Knives that when you rested a callused finger against the edge you just either cut slices of skin, or just plain got cut learning how to touch a truly sharp knife.

    And remember, With Jerry doing all of the final sharpening, he spent less than a minute on each Asymmetrical knife's edge.
     
  20. HwangJino

    HwangJino

    Dec 2, 2012
    I think any grit can shave arm hair.
    I go all the way up to 8000 grit, and it's a smoother shave obviously.
     

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