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  1. #16
    Join Date
    Mar 2008
    Location
    Townsville, Nth Qld
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    4,236

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    You did well to pick up the spiral in the photo, Jock. The drill is set to 280 rpm at the moment, having been left at that speed after drilling 10mm thick steel plate
    regards,

    Dengy

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  3. #17
    Join Date
    Jun 2007
    Location
    Otautahi , Te Wa'hi Pounamu ( The Mainland) , NZ
    Age
    69
    Posts
    2,114

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    Quote Originally Posted by JillB View Post
    You did well to pick up the spiral in the photo, Jock. The drill is set to 280 rpm at the moment, having been left at that speed after drilling 10mm thick steel plate
    oops , bugga lots of us have been there

    check out this chart , see what suits the situation
    http://images.meredith.com/wood/pdf/...peed-chart.pdf
    add speed to all the good tips from the folks

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