I want to make a round wishing well. I have 12 2×4's @1'h. What degree of bevel do I need so they fit into a tight circle?
Wood – How to make bevel cuts to form a ring with 2×4’s
woodworking
Related Solutions
The difference between a 10" 60T and 80T saw blade is only slightly noticeable. In practice, chip out with either isn't a huge concern, provided you go slow. An 80T blade is naturally going to slow you down more, so that may be useful if your tendency is to yank the radial arm down and go.
Another consideration is the end grain of the piece, some trees are just flakier than others, in that case an 80T is a safer bet.
Teeth aren't the whole story. If you throw a crosscut table blade on a miter saw it might have a tendency to feed faster than you want. If you get a miter blade then there's not a ton of difference. The miter saw blade teeth are back angled a bit to avoid pulling the arm in on you.
So the safe bet is the 80T miter blade, but I'd be surprised if a 60T gave you any trouble.
Hope this helps
The easiest way to find/cut the angle is with a speed square. Here is how to use the speed square to layout an angle: How to Set an Angle with a Speed Square
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Best Answer
As indicated in the accepted answer the bevel on each side of the 2x4 would need to be 15˚.
Assuming the 2x4s are standard dimensions of 1.5" x 3.5" your twelve 2x4s will make a construction that is just over 13" across. You may want to evaluate if that is the size you want.
If you desired a construction that was a bit bigger you could use 24 2x4s with a 7.5˚ bevel. That would yield a unit that was about 26.5" across.