Cleaning saw blades

Willemjm

Willem
Corporate Member
As for oven cleaner, lye, drain cleaner: Sodium Hydroxide is a very strong alkali that has been reported to break down the brazing holding the carbide teeth to saw blades. It dissolves aluminum and zinc, and will also attack alloys that contain them. It is a very good rust remover for steel and iron, and will remove most one part coatings.
I use to clean my bicycle chains (those used for competitive cycle racing) with that. Then they started failing. I had a really bad crash once in the final sprint to the finishing line when my chain snapped. Sent it back to the manufacturer who had no answers, until they analyzed the cause being the cleaner makeup.

I always wonder where a saw tooth will end up, if it comes off at 3500 rpm?
 

Matt Furjanic

Matt
Senior User
Oven cleaner. Put it on the blade and let it set for about 1 or 2 minutes, then rinse with hot water. I do this with router bits too. It they are really cruddy, a bit of brushing will do the trick. Works every time, and contrary to popular belief, it will not damage the steel if you rinse within a few minutes, then dry the steel immediately. I use a garden blower to dry the blades Right away. I have 20 year-old blades and bits that show no damage, and they are super CLEAN...
 

McRabbet

Rob
Corporate Member
I've used Simple Green and have also used Dawn liquid dish soap with an old toothbrush. 5 Gallon pail lid woks great as others have mentioned. After either treatment and rinse, I carefully dry the blades.
 

Matt Furjanic

Matt
Senior User
I believe it’s an old wives tale that oven cleaner deteriorates the brazing. Somewhere I read where a lab used a micro scale to measure the weight of the brazing before and after the oven cleaner soaking, and there was no weight loss. In my experience, I have been using this for about 20 years and have never lost a braized tooth from one of my blades.
 

junquecol

Bruce
User
There are two types of Simple Green, one of which isn't recommended for blade cleaning. I use Awesome from Dollar Tree. Tried the orange stuff, but wasn't impressed.
 

Oka

Oka
Corporate Member
I use turpentine, then clean with acetone or lacquer thinner, quick n easy, if it build up is excessive I use a little Bonami with the brush
 

golfdad

Co-director of Outreach
Dirk
Corporate Member
Klingspor carries a great blade cleaner by Trend. Best I’ve ever used
 

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