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> > >> A question for you older galoots. I have been wanting to learn how to
> > >> sharpen my saws and I thought I would start with my
> > >> old Sandvik backsaw for practice -


> > Every Sandvik saw I've seen (all newish types) bar one have case
hardened teeth.  I'd expect these would be highly susceptible to breaking.
If this is the case for your saw, maybe you'd be better off practising on
something else.
> >

The Sandvik backsaw I bought around 1988 specified on the paper sheath, what
size/type of file to use when sharpening.  So they were not all case
hardened.

Paul Pflumm