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Registered
Join Date: Aug 2001
Location: Jacksonville FL
Posts: 50,486
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Agree that step bits are for sheetmetal. The HVAC guys love them because of no changing bits for different size holes.
Yes cutting oil is well worth it. Getting harder to find, chain stores and big box places don't always have it. Bought my last bottle at Granger.
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Jacksonville. Florida
https://www.flickr.com/photos/ury914/
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