SPIRAL FRET SAW BLADES......

[smelly]

Spiral Fret-Saw Blades... What do the different numbers mean for these blades......... check in blade options. There is no description.​

https://www.leevalley.com/en-ca/shop/tools/hand-tools/saws/fret/32920-spiral-fret-saw-blades

 

[JohnA]

This may help you; Basically the lower the number the finer the cut:

Selecting Scroll Saw Blades

Scrollsaw blades are usually 5-1/4" to 5-1/2" long. Ends may be plain or pinned: pinned ends are generally available on a smaller number of blades, because the pins force greater blade thickness, so smaller sizes are not made. For most of us, wood-cutting blades are the standard, but...

www.woodcraft.com

 

[Norway]

The difference is that the teeth spiral around the blade in contrast to ordinary blades which have the teeth at the front of the blade.
I have heard that this is not a good alternative to regular saw blades, I use the thinnest blade I could find.
Hope this was what you wanted an answer to, regards-

 

[smelly]

so what would be the best blade to cut frames?

 

[JohnA]

I would buy a couple of different sizes and test them out for how they perform on the timber of choice.

 

[Y.T.]

Jeweler Saw Blade Sizes and Information | Fire Mountain Gems and Beads

Jeweler Saw Blade Sizes and Information. Discover the wealth of information available in a collection of useful charts from Fire Mountain Gems and Beads.

www.firemountaingems.com

 

[Norway]

I have used regular saw blade, the narrowest I found in my local hardware, it works very well, since I cut a little outside the lines on the pattern.

 

[smelly]

yes that is what I have been practicing, on small narrow blade.