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Carborundum Brand Stones

Mon Sep 30, 2013 4:27 pm

My lady picked up two very similar stones at a yard sale for just a couple of dollars. They included one box, Which lists them as Silicon Carbide stones, Made in Niagara falls, NY. The box (which only would hold one of the stones) Says 108 on the side. The instructions call for using a thin layer of clear oil for sharpening, tempering by soaking in warm petroleum jelly, and cleaning with kerosine. They are in great shape. I own a great collection of modern DMTs, Shaptons, and Chosera stones from CKTG, but wonder what value these stones might hold. If anything I will go to town on a beater, just to see how they hold up. If anyone knows much about these things, feel free to share :)


Re: Carborundum Brand Stones

Mon Sep 30, 2013 7:15 pm

SiC was common for all kind of tool sharpening. I know it has been used for soft kitchen knife sharpening as well, but the interest is purely historical. They were used with a lot of pressure, after which deburring took place on a coarsely grooved steel. The SiC grits I've seen were around 80-120. Don't try with your good knives.

Re: Carborundum Brand Stones

Mon Sep 30, 2013 9:23 pm

i use carborundum stones for thinning and bevel setting all the time. there are japanese stones that use the same material for their rough grits. if you know how to use them, it really isn't a problem.

value side, can't really tell you.
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