Big mistake. Standard SM plus diamond rods are pretty capable. Rex 45 In fact, the key to successfully sharpening any blade regardless of the grade of steel is being able to maintain that angle. lol. I switched to Nano cloth using 0.050 micron diamond slurry. Everyone else already has it covered but I'll throw in my agreement. . For Sale: Custom & Semi Production Knives (Dealer), KnifeMaker's Market: Knives & More for Sale, Wanted: Knifemaker / Craftsman / Related Services, Busse / Swamprat / Scrapyard Knives For Sale, For Sale: Traditionals, Slipjoints, "Old Timey", International (Non-US) For Sale & Trade Forums. Most kitchen and outdoor knives fall under the category of 17-22 sharpening degrees. 154CM It is ideal for common 90 joints where two panels, or boards wider than 4-7/8'', create a corner. The goal is to remove all of the ink in one swipe, Crawford says. SPY27 Diamonds are a little faster, and definitely cleaner. After that I progressed to a 1,500 grit stone. For the more advanced sharpeners among you, Work Sharp offers the Ken Onion Elite Sharpening System, a variable speed motorized unit employing long-lasting flexible abrasive belts made by Norton Abrasives. You must take into account what use your knife will see and sometimes that determines the specific angle to use. He said it was sharper than his scalpel. A premium steel, S90V is notoriously difficult to resharpen, a difficulty negated via frequent edge maintenance sessions with the 50082. Sharpening Tempering Tools About Me. The nice thing about diamond lapping film is that it is still a powerful abrasive, but it also polishes the edge to mirror finish. I would definitely add the diamond or CBN rods for sharpening not only the S90v, but all the different steels. The heat treatment is performed according to the specifications of the steel with the help of a digitally controlled furnace, which promotes accurate temperature regimes. Rc 58-59 IIRC, Its a stainless Tool steel. I have never been able to raise a burr with S90V, so I relied on my touch. A prime example of Toblers point is Benchmades 15017-1 Hidden Canyon Hunter, a compact drop-point fixed blade in premium CPM S90V stainless steel well known for its extreme edge-holding ability. I have a lot of sharpening equipment and have been sharpening knives for years. Of ZDP (spyderco), S90V (spyderco), S110V (kershaw), and S125V (Fantoni) CPM-S90V from sypderco has been the most difficult steel I've ever sharpened.
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