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bandsaw blade TPI

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Forum topic by Karda posted 08-11-2018 04:31 AM 641 views 0 times favorited 9 replies Add to Favorites Watch
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Karda

1328 posts in 759 days


08-11-2018 04:31 AM

Hi, I have had 3 and 4 tooth band saw blades, I need to order a new one. My question is what is better for cutting bowl blanks a 3 tooth or a 4 tooth. I have had both but not at the same time. I can’t remember if there is a difference. my memory is getting like that. Thanks Mike


9 replies so far

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Lazyman

2644 posts in 1593 days


#1 posted 08-11-2018 12:18 PM

It won’t make that much difference but if you cutting green, wet wood, I would probably opt for fewer teeth to ensure maximum sawdust clearing, especially since in blank prep you don’t care about the quality of the cut.

-- Nathan, TX -- Hire the lazy man. He may not do as much work but that's because he will find a better way.

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Woodmaster1

1075 posts in 2793 days


#2 posted 08-11-2018 04:35 PM

I lucked out and got a carbide tooth 3/4” x 93 1/2” 3 tpi off the discount get it out of here rack for $5.00. I love going to my woodworking store when you can get bargains like that. I put it on my 14” porter cable bandsaw and it works great. There is no issues with power because it has a 1.5 hp motor.

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BurlyBob

5987 posts in 2471 days


#3 posted 08-12-2018 02:12 AM

My question is just how thick is your piece? I’ve found that on a thinner piece a higher TPI makes for a smoother cut. I do a lot of cutting with a 1/8×14TPI. The reason is for tight curves and a cleaner cut on thinner pieces. I use a 1/4” by 4TPi for cutting band saw boxes 4”-6” thick. Resawing – 1/2” 3-4TPI. It all depends on the task.
Honestly, either one will work.

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Karda

1328 posts in 759 days


#4 posted 08-12-2018 06:46 AM

I cut bowl blanks frequently the average are 3-4 inches but some thinner and some general shop work nothing fancy

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Lazyman

2644 posts in 1593 days


#5 posted 08-12-2018 01:10 PM

The rule of thumb is that you want at least 3 teeth in the wood at any given time so if you are cutting something less than 1” thick you should have a 4 or greater TPI blade in your saw but otherwise the 3 TPI blade will handle anything greater than than that, especially for rough work.

-- Nathan, TX -- Hire the lazy man. He may not do as much work but that's because he will find a better way.

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Karda

1328 posts in 759 days


#6 posted 08-12-2018 05:37 PM

ok thanks

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OiBowyer

16 posts in 198 days


#7 posted 08-12-2018 07:33 PM

Hey Mike,
For cutting bowl blanks I prefer a 2 or 3 tpi resaw blade. The wider (deeper) blade deflects less in the wood when it changes density. For instance when cutting near a knot hole or defect. A narrower blade will allow for greater ease in cutting curves but will deflect more readily. Also I only cut straight-ish lines on the band saw.

-- Matt Bielenberg- turning student https://www.etsy.com/shop/Turning4SchoolMoney?ref=search_shop_redirect https://www.facebook.com/Turning-4-School-Money-213112446187330/?modal=admin_todo_tour

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Karda

1328 posts in 759 days


#8 posted 08-12-2018 09:38 PM

I have never used a 2 tooth before, are they more agressive.

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Nubsnstubs

1422 posts in 1936 days


#9 posted 08-12-2018 10:45 PM


I have never used a 2 tooth before, are they more agressive.

- Karda


You betcha they are. WWing equipment doesn’t scare me much, but when I had a 2 tpi blade on my bandsaw, I was scared —-less when cutting blanks. Was never comfortable with it. I was a happy ww’er when it broke. 3 TPI blades will serve you well, and not put fear into your self. ................. Jerry (in Tucson)

-- Jerry (in Tucson) www.woodturnerstools.com

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