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Enoch Root (in ) said:

| 1. Is the double edged blade (bit?) supposed to have a rounded tip?
| I'm honing this bit and the previous owner used a file to dress the
| edge on both it and the others, and wasn't too particular about the
| angle of it, where it was making contact with the bits, or about
| leaving marks behind. It appears that a rounded tip was favored,
| however. Seems like that might reduce splitting on an unsharp
| edge, but is it needed or desired for a sharp edge?

I've never used one with a rounded point. Mine is pointed (~ 90
degrees)

|
| 2. There are two kinds of blades, and I don't know when which is
| used for what. Are there any explanations of these and how they're
| used? (I mean, beyond that they are used for routing dados, etc...)

Chisel blades for general clean out, pointy blade for smoothing.
Adjust as necessary for the job at hand.

--
Morris Dovey
DeSoto Solar
DeSoto, Iowa USA
http://www.iedu.com/DeSoto/solar.html