Cobalt Drill Bits

Cobalt drill bits offer greater durability than black oxide bits, and are one of the best choices for wood, plastic, stainless steel, light metal drilling applications. Our selection of cobalt drill bits can withstand high speed drilling, and are built for years of durable service. With more than seventy cobalt drill bits to choose from, manufactured by brands like Milwaukee, DEWALT, and Bosch, you're sure to find the right cobalt drill bit at Toolbarn.
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  • 13/64" Cobalt RED HELIX

    MSRP: $4.56

    $3.25

    Milwaukee
    13/64" Cobalt RED HELIX

    SKU 48-89-2310
  • sale
    1/16" Cobalt RED HELIX

    MSRP: $2.38

    Regular Price: $1.75

    Special Price $0.97

    Milwaukee
    1/16" Cobalt RED HELIX

    SKU 48-89-2301
  • sale
    Bosch 19/64" x 4-3/8" Cobalt Drill Bit (CO2146)

    MSRP: $5.40

    Regular Price: $3.25

    Special Price $0.97

    Bosch
    19/64" x 4-3/8" Cobalt Drill Bit

    SKU CO2146
  • sale
    Bosch 9/32" x 4-1/4" Cobalt Drill Bit (CO2145)

    MSRP: $4.83

    Regular Price: $4.60

    Special Price $0.97

    Bosch
    9/32" x 4-1/4" Cobalt Drill Bit

    SKU CO2145
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