Twist drill, oh really?

Last Christmas I was given one of those big sets of incredibly cheap drill and screwdriver bit sets from my neighbour. I hadn’t touched the set until yesterday when I could not find the 5/32″ bits I was using the day before. I grabbed one of the cheap “titanium nitride coated HSS” bits from its plastic box and used it to drill out 3 pop rivets. I say 3, for that is all it managed to do. Wasn’t much to ask was it? The bit dulled quickly and became bent. I looked again at the bit, didn’t seem right to me, what do you think? A less cheap uncoated bit beside it just incase you forget what a regular bit looks like 🙂

  1. #1 by Ed on July 31, 2011 - 9:41 am

    maybe you could use those drill bits for twist ties (closing bread packages, etc….)

    • #2 by albell on August 1, 2011 - 8:16 am

      Need more suggestions as what to do with probably 100 bad drillbits…

  2. #3 by oldfussbudget on July 31, 2011 - 6:44 pm

    Looks like they hardened the wrong end… ;->

    • #4 by albell on July 31, 2011 - 6:52 pm

      and they couldn’t make up their minds which way the flutes should go.

      ab

      • #5 by oldfussbudget on July 31, 2011 - 7:08 pm

        Well of course, they’re transverse flutes. 🙂

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