I bought a set of spiral, tapered bits with countersinks from Lee Valley
some 20 years ago. Flawless, never sharpened still in use today. (I did
break the tip off the #12 but it still works...sorta/kinda.)
The usual disclaimer applies: I'm Kanuckistani, like Robin Lee, other
than that we never had lunch.
Yes this is what I have been doing so far. My present uses have not
required precision. If I need to truly control then I would use a drill
I normally use the countersink bit in a brace and bit. I drill a little,
test the hole against the screw head until I get the whole head to fit in
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