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    3 Products
    About Drill Bits
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    Compare material, finish, length class, and decimal size equivalents.

    High-Speed Steel Drill Bit Sets

    Our basic drill bits are also the most versatile. Cut holes in a variety of metals, from the softest aluminum to the hardest steel.
    Jobbers' LengthAbout Jobbers' Length
    Image of Product. Front orientation. Drill Bits. High-Speed Steel Drill Bit Sets, Jobbers' Length.
    Image of Specification. Split. Front orientation. Contains Border. Split Point. For Metal.

    Split

    Image of Specification. Standard. Front orientation. Contains Border. Standard Point. For Metal.

    Standard

    These bits have the balance of rigidity and length needed for most applications.
    Black Oxide—The dark finish increases wear resistance and reduces friction to improve chip flow, so these bits can last 50% longer than uncoated bits.
    Gold Oxide—Like black oxide, this finish adds wear resistance and reduces friction for improved chip flow. Because it’s less prone to flaking off, it offers better rust protection when bits aren't in use.
    No. of
    Pieces
    Drill Bit Sizes Included
    System of
    Measurement
    Drill Bit Point
    Style
    Specs. Met
    Container
    Type
    Each
    Black Oxide
    416.0-10.0 mm (increments of 0.1 mm)MetricStandard Point
    		—Metal Case2788A140000000
     
    Gold Oxide
    416.0-10.0 mm (increments of 0.1 mm)MetricSplit Point
    		NAS907 Type BMetal Case30155A59000000
     

    Cobalt Steel Drill Bit Sets

    Tough and wear resistant, cobalt steel bits last at least twice as long as high-speed steel. They can also run up to 25% faster at higher temperatures without being damaged on hard materials, such as nickel.
    Jobbers' LengthAbout Jobbers' Length
    Image of Product. Front orientation. Drill Bits. Cobalt Steel Drill Bit Sets, Jobbers' Length.
    Image of Specification. Split. Front orientation. Contains Border. Split Point. For Metal.

    Split

    These bits have the balance of rigidity and length needed for most applications.
    Uncoated—Polished to eject chips, these are also known as bright finish bits.
    No. of
    Pieces
    Drill Bit Sizes Included
    System of
    Measurement
    Drill Bit Point
    Style
    Specs. Met
    Container
    Type
    Each
    Uncoated
    416.0-10.0 mm (increments of 0.1 mm)MetricSplit Point
    		NAS907 Type JMetal Case27945A280000000
     
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