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Old 10-25-2010, 02:10 PM   #1
jad
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Which blade type


I need to cut a few pieces of hardi plank ( 10-12 ) what type of blade do I need in my circular saw? Can I use just a old carbide tip? knowing it may dull it up....

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Old 10-25-2010, 03:03 PM   #2
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Which blade type


Yep. I use an old framing blade, too dull for that use. 18 tooth, I carefully hammer tap ever 1st and 2nd carbide tooth out on an anvil, leaving just every 3rd, total of 6- just like what you buy for f.c. Double-duty!

Gary

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Old 10-25-2010, 04:11 PM   #3
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Which blade type


Quote:
Originally Posted by GBR in WA View Post
Yep. I use an old framing blade, too dull for that use. 18 tooth, I carefully hammer tap ever 1st and 2nd carbide tooth out on an anvil, leaving just every 3rd, total of 6- just like what you buy for f.c. Double-duty!

Gary
Good advise. Thanks.
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Old 10-26-2010, 10:30 AM   #4
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Which blade type


Thanks for the reply... is it necessary to hammer out the 1st and 2nd tooth as you suggested or does it just work better if you do.
And what do you mean exactly by hammer out? are you removing the carbide tip?

thanks again
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Old 10-26-2010, 12:33 PM   #5
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Which blade type


You can just cut it if you want. Just don't breath the dust.
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Old 10-26-2010, 03:26 PM   #6
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Which blade type


Remove the carbide teeth ( tip only) with a light tap of the hammer while that tooth is resting solidly on an anvil. The lesser number of teeth gives less dust, though a little wider due to the set of the framing blade teeth compared to c.f. blade set. Wear goggles when doing this and when cutting c.f. board. Prime all edges and backside, even the rake and butt cuts. The board will suck moisture like a sponge unless primed, even stacked outside if clouds are in the air, keep it covered.

Gary
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Old 10-30-2010, 02:35 AM   #7
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Which blade type


Curious: WTH is so odd about this Hardy Plank stuff? Of what is it made? Can't you just get a blade w/ very few teeth a lot easier than beating up one? Have you ever tried a T6 carbide blade, made for cutting steel? Have I asked enough questions? john
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Old 10-30-2010, 12:18 PM   #8
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Which blade type


I finally ran out of the f.c.board ones after a few years. They went up in price from $5 to $18...... each. I have about 50 old framing blades left so in my case........
Questions are how we learn, especially if the answer is different than what we thought, then we research to find the correct one. None taken....
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