Reply by knotscott

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Posted on Saw blades 10" V 8"

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7980 posts in 3338 days

#1 posted 09-09-2011 05:55 PM

It’s already been established that there’s no harm in using an 8” instead of 10” if it fits, and many smaller blades can cost less. Which will perform best will depend on largely on the particulars of each blade, as Cosmicsniper mentioned….if you happened to find an 8” and 10” blade with otherwise identical parameters and adequate kerf width, I’d guess the 10” would leave a better edge given sufficient saw power, but I haven’t done the comparison. In general, I agree with CS, and think the larger blades tend to get the lion’s share of the engineering and quality attention, in part because those blades command a higher price tag.

I’ve got a variety of blade diameters in my shop…the only reasons I’d choose one of the smaller diameters for a 3hp 10” saw is if one of the smaller blades offered a specialty parameter that my 10” blade didn’t have (metal cutting, ply, etc), or if I was concerned about damaging my more expensive 10” blades. No doubt there are also situations where some saws struggle with a larger blade and have an easier time spinning a smaller blade.

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