King 4000 water stone, corresponding wet and dry grit
boxbrush
| Posted in General Discussion on
Dropped it on the floor and I’m a bit poor.
What grit of wet and dry is about the same? Thanks
Replies
If you are asking about black silicon carbide sandpaper you first need to know what grading standard the manufacture used. If it's labeled with a P it uses the European FEPA standard and it would be around P4000-P5000. If on the other hand it is graded on the CAMI or ANSI scale it would be around 1200. Unfortunately Silicon Carbide paper wears quickly when used on metal. I would suggest using 3M lapping papers which will last much longer.
You can get a complete Scary Sharp system from Taylor Toolworks for a small investment or buy just the films.
https://taytools.com/collections/supplies-sharpening-scary-sharp-system/products/three-sheets-5-16-x-5-x-12-float-glass-and-7-sheets-3m-psa-lapping-film-for-scary-sharp-system
Thanks, I'm in Australia where everything is expensive and impossible to get.
I've glued it back together and will probably glue it to a base to hold it all together.
Make sure you lap it after you do to try to insure a flat surface
I believe King water stones use the JIS standard, I have seen sites that specifically state that King's grits follow JIS ex:
"Note: All grit grade specifications refer to the Japanese JIS norm."
https://www.fine-tools.com/king-stones.html
Here is a chart which compares grits across specifications/manufactures by grit size
https://www.gritomatic.com/pages/grit-chart
An article on grit fundamentals (good read)
https://www.gritomatic.com/pages/grit-fundamentals
Thanks, will come in handy when this wears out.