Whetstones

I have this whetstone: https://www.boker.de/us/knife-sharpener/09KE180.html and this slurry stone: https://www.amazon.com/Masuta-VS-600...ry+stones+6000

Is a whetstone grit of 6000 sufficient to sharpen a straight razor?

You can shave off a decent 6k edge, but you probably won't care for it much. 8k is pretty much the lower end of the traditional grit range for razors. This may be why it is described as a knife sharpener.

Cheers, Steve

Almost, if you look at a 5-6k edge, under magnification, compared to an 8k edge, you will see that the edge only gets really straight, after 8k.

As I recall, the Boker stones are made by Naniwa.

You could set a bevel on the 800, be careful with pressure, use tape to protect the spine, and polish it on the 6k side, but you really need a bit more, something in the 8-12k grit, to really polish the edge for comfort.

I doubt the slurry stone will help you much, if anything it will make the stones more aggressive, you don’t need aggressive you need finer, more polish. Slurry on synthetics does not work, like it does on high grit naturals. It looks, as if this “synthetic Nagura” is designed more for cleaning, than honing.

If cost is an issue, you could make the jump to a 12k Naniwa super stone, from the 6k. The 12k SS is or can be an aggressive stone. For new honers a moderate stepped progression, seems to work best, (1,4,8k). Using an 800, 6k and 12k progression, you will have to work at the limits of each of the stones, not something easy for new razor honers, to do.

Since you already have the stone, tape the spine and try it. Worst that could happen, is it will need to be re-honed.

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As I recall, the Boker stones are made by Naniwa.

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The Zwilling Henkels stones are made by naniwa and they are rebranded Choseras
I dont think the stone on the link , is naniwa stone ha ah ah
It is King Ice Bear 800 - 6000 and it is more than 2 times overprised in this shop
If you buy a 800 - 6000 stone it will be good for bevell seting and midle work You should think of your most important stone - the finisher or Finishing stone . A barber hone ot C12 k on a strickt budget or a small jnat Ozuku asagi maybe . I would choose a barber hone if im on a budget .
Dont you even think for a second for strop and pastes - :nono: