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wood spade bits - aluminum

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  • wood spade bits - aluminum

    Interesting discovery today. Needed a 1" clearance hole in a plate of aluminum, didn't feel like setting up the boring head because I had another project in the mill. Thought...why not. Grabbed a cheap 1" spade bit from my carpentry box, a little tap magic....straight through, nice chips. Also seemed to leave a pretty good finish for possible use as a counterbore.

    I was surprised.
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