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Not sure what kind of wood it is.
I used my wife's old wooden bowl she kept walnuts in..
Now she wants the knife..

sounds doable, will do some research on home built furnaces:)

Thank you all for good advise!
I will try spot temper and then HSS drill first then Cobalt, see how that goes.
Yes I used a grinder, so it is probably buggered..
Try to get 1075 or 1084 steel and...

Good evening,
just a question to all the knife makers here..
What kind of brand / maker drill bits are you using for cutting/ drilling through old saw blades? unknown origin and steel composition....