I’ll be building a large lattice fence out of PT lumber. I have a 50-tooth Freud Combination blade on my Bosch 4000 saw, but this seems like too good a blade for PT. What’s a good blade to use for this? If I recall, Black and Decker used to sell a deck blade which was supposedly designed for PT lumber. I think I still have one for my skill saw. It worked okay, but I don’t recall it being anything special, and I haven’t seen them around.
Thanks.
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You will certainly get nice cuts with the Freud.
I think I would lean more toward something like a Dewalt blade - disposable.
I remember something about the B&D deck blades also - nothing special.
Someone might be able to make some money by making some deck blades with C-6 or so carbide for PT, but I don't think anybody does. Fine woodworking does not equal PT wood in the eyes of the blade makers.
Jim
Never underestimate the value of a sharp pencil or good light.
50 is too many teeth for what is essentially framing lumber.
An inexpensive 24 tooth carbide blade is best for PT. It will last the job.....$6-$8. I hang on to `em afterwards for demo purposes.
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The micrograin carbide in Freud blades out performs all other blades I've tried with treated (and all other materials). I use the 24-tooth Freud Diablo in my PC sidewinder on treated. I think the Diablos last 2-3 x's as long as "decking blades." Better blades are cheaper in the long run and waste less of your time changing blades as the cheapies quit cutting.
If you have to make cuts on you table saw, try this blade:
Link
I checked that link for the Diablo. That's a good price -- I hereby change my vote to the Diablo. That's close to Dewalt 10" prices!
Jim
Never underestimate the value of a sharp pencil or good light.
Thanks, everyone. I agree, I'm not making furniture here, so I don't need a furniture-quality blade. I'm inclined to go with a better quality blade, something like the Diablo, as compared to something "disposable". A few dollars more should result in less work for both me and the saw.
If that Bosch is a circular saw (not sure about the model number you gave) then either a Marathon 24-tooth or the Makita "Blue Maks" blade will give you fine results in PT and in sappy SYP. If it's for a miter saw, by a 32-tooth Dewalt blade. You have to think: PT is not fine finish, and using a blde with a larger tooth count for PT is not only bad for the blade, but bad on the saw (and on your pocketbook).
Jason Pharez Construction
Framing & Exterior Remodeling
That Bosch is a table saw.Try that 24 tooth Diablo and I bet you will find it lasts twice as long as a "Marathon." Better brazing too, they loose teeth far less often (great for cutting through an occasional nail, etc.)
Sorry bout the error with the saw, but please don't tell the tool fairy I didn't know my model numbers ;-) I tried a Diablo circ saw blade when they first came out and I wasn't impressed; it cut well when new but that thin plate warped pretty quick while cutting cheeks on jacks. I've found as long as I stay away from the DW blades I'm fine.Jason Pharez Construction
Framing & Exterior Remodeling