Carbide Tipped Jointer Knives

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Forum topic by LeeG posted 03-07-2010 06:00 AM 2843 views 0 times favorited 4 replies Add to Favorites Watch
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40 posts in 2440 days

03-07-2010 06:00 AM

Topic tags/keywords: question

Does anyone have experience with Carbide Tipped Jointer Knives from Hartville tool? They are about double the cost of the delta HHS ones for my DJ20 jointer.

-- Lee in Phoenix

4 replies so far

View Tony_S's profile


597 posts in 2502 days

#1 posted 03-07-2010 06:26 AM


I don’t have any experience with this brand of carbide jointer knives, but have used both Tersa and Makita carbide jointer knives. I wasn’t impressed with either one. The shear angle is much too blunt to get a nice cut on anything but the softest hardwoods….they do stay sharp longer….but it’s because they don’t start out as sharp to begin with. Carbide is too brittle to use a steep shear angle like you can use with HSS.
From my experience, if you joint a lot of ‘hard’ hardwoods, or hardwoods with any type of figure, you won’t be happy with them.

-- It is the mark of an educated mind to be able to entertain a thought without accepting it. Aristotle

View PaulfromVictor's profile


224 posts in 2765 days

#2 posted 03-07-2010 03:58 PM

yeah, what Tony said.

View SKFrog16's profile


661 posts in 2620 days

#3 posted 03-08-2010 05:26 PM

Here LeeG, if you need knives, these guys are great. Plus you can call them and ask questions too.

-- Methods are many,Principles are few.Methods change often,Principles never do.

View SPalm's profile


5249 posts in 3301 days

#4 posted 03-08-2010 05:30 PM

With my luck, I would nick them right off the bat. Carbide is so brittle.

-- -- I'm no rocket surgeon

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