wood drill bit versus metal bit

Discussion in 'Misc DIY' started by Henry B., Sep 5, 2003.

  1. Henry B.

    Henry B. Guest

    Ihave inherited a bunch of drill bits. Is there a way to recognize whether a
    bit is capable of piercing thin walled stainless steel versus wood?

    --
    Hank
     
    Henry B., Sep 5, 2003
    #1
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  2. "Henry B." <> wrote in message
    news:JTR5b.44396$Zw4.32356@lakeread03...
    > Ihave inherited a bunch of drill bits. Is there a way to recognize whether

    a
    > bit is capable of piercing thin walled stainless steel versus wood?
    >
    > --
    > Hank


    Most bits are ground for metal drilling. Wood is incidental. For boring
    holes in wood, brad point bits and Forstner bits are the first choice. Brad
    points are sort of flat tipped but have a point in the center.

    When drilling stainless, it is best to spray on some sort of lubricant.
    WD-40 or a light oil will work.
    Ed
     
    Edwin Pawlowski, Sep 5, 2003
    #2
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  3. Henry B.

    Dan G Guest

    Look at the shanks. If they are etched or stamped as HSS (high speed
    steel), they are made for drilling metal and can also work in wood.
    Stainless steel is very hard on bits. They will not last long in
    stainless. Sharp bits, slower speed, more pressure - stop and sharpen
    or replace as soon as they quit cutting, once the stainless is turning
    blue it is work hardened and even harder to drill.

    Here are some choices:
    http://www.triumphtwistdrill.com/products/jobber.asp

    --

    ####################
    Keep the whole world singing. . .
    Dan G
    (remove the 7)


    "Henry B." <> wrote in message
    news:JTR5b.44396$Zw4.32356@lakeread03...
    > Ihave inherited a bunch of drill bits. Is there a way to recognize

    whether a
    > bit is capable of piercing thin walled stainless steel versus wood?
    >
    > --
    > Hank
    >
    >
     
    Dan G, Sep 5, 2003
    #3
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