DIYbanter - View Single Post - Are spiral cutters really worth the price?

(Brian) writes:
Though I doubt they can be sharpened, which to me, is a downside.
So, you get 4 rotations and then discard.

They're only $2 each. That's $0.50 per nick, or 60 nicks per
resharpening trip. TOSS THEM. Life is too short.