Quote:
Originally Posted by alkemyst
Those those having problems drilling into 'hard' metal. You need to go slow, use some cutting oil; as soon as you overheat the bit it's pretty much worthless...drilling is a case where faster isn't always better.
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thats interesting. why is the bit useless with it is hot? does it become soft? what is the best type of drill for drill out steel bolts. i have a 14 volt rechargeable drill which is quite slow. thanks.