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Drill America - GLBCOX1211/64 11/64" x 12" Cobalt Aircraft Extension Drill Bit, GLBCO Series

Drill America - GLBCOX1211/64 11/64" x 12" Cobalt Aircraft Extension Drill Bit, GLBCO Series

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  • Drill America - GLBCOX1211/64 11/64" x 12" Cobalt Aircraft Extension Drill Bit, GLBCO Series
    7.34
    Amazon.com

    Drill America - GLBCOX1211/64 11/64" x 12" Cobalt Aircraft Extension Drill Bit, GLBCO Series

    Delivery date & cost shown at checkout

  • 11/64 in. x 12 in. Cobalt Aircraft Extension Drill Bit
    7.34
    Home Depot

    11/64 in. x 12 in. Cobalt Aircraft Extension Drill Bit

    Delivery date & cost shown at checkout

  • Drill America #29 x 12" Cobalt (GLBCOX1229) Aircraft Extension Drill Bit
    7.20
    Inspect USA

    Drill America #29 x 12" Cobalt (GLBCOX1229) Aircraft Extension Drill Bit

    Delivery date & cost shown at checkout

  • #21 x 12" Cobalt Aircraft Extension Drill Bit, GLBCOX1221
    8.37
    FMW Fasteners

    #21 x 12" Cobalt Aircraft Extension Drill Bit, GLBCOX1221

    Delivery date & cost shown at checkout

  • #5 x 12" Cobalt Aircraft Extension Drill Bit, GLBCOX125
    10.21
    FMW Fasteners

    #5 x 12" Cobalt Aircraft Extension Drill Bit, GLBCOX125

    Delivery date & cost shown at checkout

  • 11/64" x 12" Cobalt Aircraft Extension Drill Bit by DrillsandCutters.com
    8.20
    Drillsandcutters.com

    11/64" x 12" Cobalt Aircraft Extension Drill Bit by DrillsandCutters.com

    Delivery date & cost shown at checkout

  • Aircraft Extension Drill Bits- Cobalt 12′′ Length Fractional - 7/16" X 12" Cobalt Aircraft Extension Drill Bit
    45.92
    Drill Bit Warehouse

    Aircraft Extension Drill Bits- Cobalt 12′′ Length Fractional - 7/16" X 12" Cobalt Aircraft Extension Drill Bit

    Delivery date & cost shown at checkout

  • Aircraft Extension Drill Bits- Cobalt 12′′ Length Fractional - 7/32" X 12" Cobalt Aircraft Extension Drill Bit
    12.42
    Drill Bit Warehouse

    Aircraft Extension Drill Bits- Cobalt 12′′ Length Fractional - 7/32" X 12" Cobalt Aircraft Extension Drill Bit

    Delivery date & cost shown at checkout

  • Aircraft Extension Drill Bits- Cobalt 6′′ Length Fractional - 1/16" X 6" Cobalt Aircraft Extension Drill Bit
    4.57
    Drill Bit Warehouse

    Aircraft Extension Drill Bits- Cobalt 6′′ Length Fractional - 1/16" X 6" Cobalt Aircraft Extension Drill Bit

    Delivery date & cost shown at checkout

  • Aircraft Extension Drill Bits- Cobalt 6′′ Length Fractional - 11/64" X 6" Cobalt Aircraft Extension Drill Bit
    4.99
    Drill Bit Warehouse

    Aircraft Extension Drill Bits- Cobalt 6′′ Length Fractional - 11/64" X 6" Cobalt Aircraft Extension Drill Bit

    Delivery date & cost shown at checkout

  • Aircraft Extension Drill Bits- Cobalt 6′′ Length Fractional - 3/8" X 6" Cobalt Aircraft Extension Drill Bit
    14.92
    Drill Bit Warehouse

    Aircraft Extension Drill Bits- Cobalt 6′′ Length Fractional - 3/8" X 6" Cobalt Aircraft Extension Drill Bit

    Delivery date & cost shown at checkout

  • Aircraft Extension Drill Bits- Cobalt 6′′ Length Fractional - 7/16" X 6" Cobalt Aircraft Extension Drill Bit
    18.65
    Drill Bit Warehouse

    Aircraft Extension Drill Bits- Cobalt 6′′ Length Fractional - 7/16" X 6" Cobalt Aircraft Extension Drill Bit

    Delivery date & cost shown at checkout

  • Drill America #4 x 6 inch Cobalt Aircraft Extension Drill Bit, Glbco Series
    15.92
    Walmart

    Drill America #4 x 6 inch Cobalt Aircraft Extension Drill Bit, Glbco Series

    Delivery date & cost shown at checkout

  • Drill America #40 x 6in Cobalt Aircraft Extension Drill Bit
    11.15
    Walmart

    Drill America #40 x 6in Cobalt Aircraft Extension Drill Bit

    Delivery date & cost shown at checkout

  • Drill America Cobalt Aircraft Extension Drill Bit (Set of 2), Size: 13/64 x 12
    15.31
    Walmart

    Drill America Cobalt Aircraft Extension Drill Bit (Set of 2), Size: 13/64 x 12

    Delivery date & cost shown at checkout

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Product Details

Effective in drilling tough, high tensile strength materials like stainless steel, inconel and titanium
135° split point tip prevents drill from walking
Round shanks allow use with a wide variety of tool holding systems
Gold oxide is a thinner oxide surface treatment than black oxide typically used to identify cobalt steel tools; performance is similar to uncoated tools
12" overall length for drilling where extra length for reach is required

Best Review

Customers find that the drill bit works well and is sharp. They appreciate its good quality, value for money, and say it cuts through wood and metal easily. However, opinions differ on its durability.AI-generated from the text of customer reviews

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