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Bronze Oxide Finish Drill Bits

Drill bits with a bronze oxide finish appear bronze or gold in color, and are best for hole cutting jobs where increased durability is important. This type of finish reduces friction, allows for easy recognition of, and increases toughness of the bit. It's most important on drill bits for cutting into metal, however you may see a bronze oxide coating on other types of drill bits too.

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    Precision Twist Drill 209CO 51/64"D 8-3/4"L HSS-E #3MT Cobalt Jobber Drill Bit

    Precision Twist Drill
    $262.00
    $262.00 - $262.00
    $262.00
    $163.18
    $163.18 - $163.18
    $163.18
    In stock

    Features: Bronze Tempered (Bronze Oxide) Surface Treatment High Speed Cobalt Steel Tool Material ANSI – Tap Standards 4×D Usable Tool Depth to Dia...

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    $262.00
    $262.00 - $262.00
    $262.00
    $163.18
    $163.18 - $163.18
    $163.18
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    Precision Twist Drill 209CO 7/8"D 10-3/4"L #3MT Cobalt Jobber Drill Bit

    Precision Twist Drill
    $284.00
    $284.00 - $284.00
    $284.00
    $142.79
    $142.79 - $142.79
    $142.79
    In stock

    Features: Bronze Tempered (Bronze Oxide) Surface Treatment High Speed Cobalt Steel Tool Material ANSI – Tap Standards 4×D Usable Tool Depth to Dia...

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    $284.00
    $284.00 - $284.00
    $284.00
    $142.79
    $142.79 - $142.79
    $142.79
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    Precision Twist Drill M51CO 61/64"D 11"L HSS-E Cobalt Straight Shank & Taper Length Drill Bit

    Precision Twist Drill
    $406.00
    $406.00 - $406.00
    $406.00
    $234.59
    $234.59 - $234.59
    $234.59
    In stock

    Features: Bronze Tempered (Bronze Oxide) Surface Treatment High Speed Cobalt Steel Tool Material ANSI – Tap Standards 6×D Usable Tool Depth to Dia...

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    $406.00
    $406.00 - $406.00
    $406.00
    $234.59
    $234.59 - $234.59
    $234.59
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    Precision Twist Drill 209CO 1-11/64"D 13"L HSS-E #4MT Cobalt Jobber Drill Bit

    Precision Twist Drill
    $666.00
    $666.00 - $666.00
    $666.00
    $326.82
    $326.82 - $326.82
    $326.82
    In stock

    Features: Bronze Tempered (Bronze Oxide) Surface Treatment High Speed Cobalt Steel Tool Material ANSI – Tap Standards 4×D Usable Tool Depth to Dia...

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    $666.00
    $666.00 - $666.00
    $666.00
    $326.82
    $326.82 - $326.82
    $326.82
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    Precision Twist Drill 209CO 1-1/4"D 13-1/2"L HSS-E #4MT Cobalt Jobber Drill Bit

    Precision Twist Drill
    $682.00
    $682.00 - $682.00
    $682.00
    $371.45
    $371.45 - $371.45
    $371.45
    In stock

    Features: Bronze Tempered (Bronze Oxide) Surface Treatment High Speed Cobalt Steel Tool Material ANSI – Tap Standards 4×D Usable Tool Depth to Dia...

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    $682.00
    $682.00 - $682.00
    $682.00
    $371.45
    $371.45 - $371.45
    $371.45
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    Precision Twist Drill 209CO 1-9/32"D 14-1/8"L HSS-E #4MT Cobalt Jobber Drill Bit

    Precision Twist Drill
    $799.00
    $799.00 - $799.00
    $799.00
    $429.47
    $429.47 - $429.47
    $429.47
    In stock

    Features: Bronze Tempered (Bronze Oxide) Surface Treatment High Speed Cobalt Steel Tool Material ANSI – Tap Standards 4×D Usable Tool Depth to Dia...

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    $799.00
    $799.00 - $799.00
    $799.00
    $429.47
    $429.47 - $429.47
    $429.47
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    Precision Twist Drill C115COMBC 1/16-1/2" N1-60 A-Z 115pc Cobalt Jobber Drill Set

    Precision Twist Drill
    $1,894.00
    $1,894.00 - $1,894.00
    $1,894.00
    $972.48
    $972.48 - $972.48
    $972.48
    In stock

    Features: Bronze Tempered (Bronze Oxide) Surface Treatment High Speed Cobalt Steel Tool Material ANSI – Tap Standards 4×D Usable Tool Depth to Di...

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    $1,894.00
    $1,894.00 - $1,894.00
    $1,894.00
    $972.48
    $972.48 - $972.48
    $972.48
    Save 49% Save %