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Bosch Cobalt Drill Bits

Get impressive strength, durability and performance with cobalt drill bits. Our assortment includes a variety of sizes and types to choose from, so you can find the right one for virtually any application.

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  1. Bosch CO4130 3/64" Cobalt Jobber Drill Bit Add to Wishlist
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    Bosch CO4130

    3/64" Cobalt Jobber Drill Bit

    Sale Price: $1.39
    In Stock

    High red hardness of cobalt steel permits speeds 30% higher than regular high speed steel drills , Strong heat resistance and rigid thick web design allows for drilling in extremely hard and abrasive materials such as treated stainless steel… Learn more about the Bosch CO4130
  2. Bosch CO4131 1/16" Cobalt Jobber Drill Bit (12 Pack) Add to Wishlist
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    Bosch

    Bosch CO4131

    1/16" Cobalt Jobber Drill Bit (12 Pack)

    Sale Price: $12.99

    Bosch cobalt drill bits offer the best heat resistance and rigid thick web design for drilling in extremely hard and abrasive materials such as treated stainless steel (precipitation-hardened), cast iron and titanium, 135° split point starts on contact with… Learn more about the Bosch CO4131
  3. Bosch CO4132 5/64" Cobalt Jobber Drill Bit (12 Pack) Add to Wishlist
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    Bosch

    Bosch CO4132

    5/64" Cobalt Jobber Drill Bit (12 Pack)

    Sale Price: $12.99

    Bosch cobalt drill bits offer the best heat resistance and rigid thick web design for drilling in extremely hard and abrasive materials such as treated stainless steel (precipitation-hardened), cast iron and titanium, 135° split point starts on contact with… Learn more about the Bosch CO4132
  4. Bosch CO4133 3/32" Cobalt Jobber Drill Bit (12 Pack) Add to Wishlist
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    Bosch

    Bosch CO4133

    3/32" Cobalt Jobber Drill Bit (12 Pack)

    Sale Price: $12.99

    Bosch cobalt drill bits offer the best heat resistance and rigid thick web design for drilling in extremely hard and abrasive materials such as treated stainless steel (precipitation-hardened), cast iron and titanium, 135° split point starts on contact with… Learn more about the Bosch CO4133
  5. Bosch CO4134 7/64" Cobalt Jobber Drill Bit (12 Pack) Add to Wishlist
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    Bosch

    Bosch CO4134

    7/64" Cobalt Jobber Drill Bit (12 Pack)

    Sale Price: $13.79

    Bosch cobalt drill bits offer the best heat resistance and rigid thick web design for drilling in extremely hard and abrasive materials such as treated stainless steel (precipitation-hardened), cast iron and titanium, 135° split point starts on contact with… Learn more about the Bosch CO4134
  6. Bosch CO4135 1/8" Cobalt SP Jobber Drill Bit (12 Pack) Add to Wishlist
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    Bosch

    Bosch CO4135

    1/8" Cobalt SP Jobber Drill Bit (12 Pack)

    Sale Price: $15.39
    In Stock

    Bosch cobalt drill bits offer the best heat resistance and rigid thick web design for drilling in extremely hard and abrasive materials such as treated stainless steel (precipitation-hardened), cast iron and titanium, 135° split point starts on contact with… Learn more about the Bosch CO4135
  7. Bosch CO4136 9/64" Cobalt SP Jobber Drill Bit (12 Pack) Add to Wishlist
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    Bosch

    Bosch CO4136

    9/64" Cobalt SP Jobber Drill Bit (12 Pack)

    Sale Price: $16.59

    Bosch cobalt drill bits offer the best heat resistance and rigid thick web design for drilling in extremely hard and abrasive materials such as treated stainless steel (precipitation-hardened), cast iron and titanium, 135° split point starts on contact with… Learn more about the Bosch CO4136
  8. Bosch CO4137 5/32" Cobalt SP Jobber Drill Bit (12 Pack) Add to Wishlist
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    Bosch

    Bosch CO4137

    5/32" Cobalt SP Jobber Drill Bit (12 Pack)

    Sale Price: $17.39
    In Stock

    Bosch cobalt drill bits offer the best heat resistance and rigid thick web design for drilling in extremely hard and abrasive materials such as treated stainless steel (precipitation-hardened), cast iron and titanium, 135° split point starts on contact with… Learn more about the Bosch CO4137
  9. Bosch CO4138 11/64" Cobalt SP Jobber Drill Bit (12 Pack) Add to Wishlist
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    Bosch

    Bosch CO4138

    11/64" Cobalt SP Jobber Drill Bit (12 Pack)

    Sale Price: $18.29
    In Stock

    Bosch cobalt drill bits offer the best heat resistance and rigid thick web design for drilling in extremely hard and abrasive materials such as treated stainless steel (precipitation-hardened), cast iron and titanium, 135° split point starts on contact with… Learn more about the Bosch CO4138
  10. Bosch CO4139 3/16" Cobalt SP Jobber Drill Bit (12 Pack) Add to Wishlist
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    Bosch

    Bosch CO4139

    3/16" Cobalt SP Jobber Drill Bit (12 Pack)

    Sale Price: $20.99

    Bosch cobalt drill bits offer the best heat resistance and rigid thick web design for drilling in extremely hard and abrasive materials such as treated stainless steel (precipitation-hardened), cast iron and titanium, 135° split point starts on contact with… Learn more about the Bosch CO4139
  11. Bosch CO4140 13/64" Cobalt SP Jobber Drill Bit (12 Pack) Add to Wishlist
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    Bosch

    Bosch CO4140

    13/64" Cobalt SP Jobber Drill Bit (12 Pack)

    Sale Price: $26.99

    Bosch cobalt drill bits offer the best heat resistance and rigid thick web design for drilling in extremely hard and abrasive materials such as treated stainless steel (precipitation-hardened), cast iron and titanium, 135° split point starts on contact with… Learn more about the Bosch CO4140
  12. Bosch CO4141 7/32" Cobalt SP Jobber Drill Bit (12 Pack) Add to Wishlist
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    Bosch

    Bosch CO4141

    7/32" Cobalt SP Jobber Drill Bit (12 Pack)

    Sale Price: $32.99

    Bosch cobalt drill bits offer the best heat resistance and rigid thick web design for drilling in extremely hard and abrasive materials such as treated stainless steel (precipitation-hardened), cast iron and titanium, 135° split point starts on contact with… Learn more about the Bosch CO4141
  13. Bosch CO4142 15/64" Cobalt SP Jobber Drill Bit (12 Pack) Add to Wishlist
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    Bosch

    Bosch CO4142

    15/64" Cobalt SP Jobber Drill Bit (12 Pack)

    Sale Price: $29.59

    Bosch cobalt drill bits offer the best heat resistance and rigid thick web design for drilling in extremely hard and abrasive materials such as treated stainless steel (precipitation-hardened), cast iron and titanium, 135° split point starts on contact with… Learn more about the Bosch CO4142
  14. Bosch CO4143 1/4" Cobalt SP Jobber Drill Bit (12 Pack) Add to Wishlist
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    Bosch

    Bosch CO4143

    1/4" Cobalt SP Jobber Drill Bit (12 Pack)

    Sale Price: $38.99

    Bosch cobalt drill bits offer the best heat resistance and rigid thick web design for drilling in extremely hard and abrasive materials such as treated stainless steel (precipitation-hardened), cast iron and titanium, 135° split point starts on contact with… Learn more about the Bosch CO4143
  15. Bosch CO4144 17/64" Cobalt SP Jobber Drill Bit (6 Pack) Add to Wishlist
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    Bosch

    Bosch CO4144

    17/64" Cobalt SP Jobber Drill Bit (6 Pack)

    Sale Price: $18.99
    In Stock

    Designed for heavy-duty drilling in hardened stainless steels, cast iron, and titanium. Learn more about the Bosch CO4144
  16. Bosch CO4145 9/32" Cobalt SP Jobber Drill Bit (6 Pack) Add to Wishlist
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    Bosch

    Bosch CO4145

    9/32" Cobalt SP Jobber Drill Bit (6 Pack)

    Sale Price: $18.99
    In Stock

    Designed for heavy-duty drilling in hardened stainless steels, cast iron, and titanium. Learn more about the Bosch CO4145
  17. Bosch CO4146 19/64" Cobalt SP Jobber Drill Bit (6 Pack) Add to Wishlist
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    Bosch

    Bosch CO4146

    19/64" Cobalt SP Jobber Drill Bit (6 Pack)

    Sale Price: $23.99

    Designed for heavy-duty drilling in hardened stainless steels, cast iron, and titanium. Learn more about the Bosch CO4146
  18. Bosch CO4147 5/16" Cobalt SP Jobber Drill Bit (6 Pack) Add to Wishlist
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    Bosch

    Bosch CO4147

    5/16" Cobalt SP Jobber Drill Bit (6 Pack)

    Sale Price: $24.99

    Designed for heavy-duty drilling in hardened stainless steels, cast iron, and titanium. Learn more about the Bosch CO4147
  19. Bosch CO4148 21/64" Cobalt SP Jobber Drill Bit Add to Wishlist
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    Bosch

    Bosch CO4148

    21/64" Cobalt SP Jobber Drill Bit

    Sale Price: $5.39
    In Stock

    Bosch cobalt drill bits offer the best heat resistance and rigid thick web design for drilling in extremely hard and abrasive materials such as treated stainless steel (precipitation-hardened), cast iron and titanium, 135° split point starts on contact with… Learn more about the Bosch CO4148
  20. Bosch CO4149 11/32" Cobalt SP Jobber Drill Bit (6 Pack) Add to Wishlist
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    Bosch

    Bosch CO4149

    11/32" Cobalt SP Jobber Drill Bit (6 Pack)

    Sale Price: $33.99

    Designed for heavy-duty drilling in hardened stainless steels, cast iron, and titanium. Learn more about the Bosch CO4149
  21. Bosch CO4150 23/64" Cobalt SP Jobber Drill Bit (6 Pack) Add to Wishlist
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    Bosch

    Bosch CO4150

    23/64" Cobalt SP Jobber Drill Bit (6 Pack)

    Sale Price: $33.99

    Designed for heavy-duty drilling in hardened stainless steels, cast iron, and titanium. Learn more about the Bosch CO4150
  22. Bosch CO4151 3/8" Cobalt SP Jobber Drill Bit (6 Pack) Add to Wishlist
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    Bosch

    Bosch CO4151

    3/8" Cobalt SP Jobber Drill Bit (6 Pack)

    Sale Price: $35.49

    Designed for heavy-duty drilling in hardened stainless steels, cast iron, and titanium. Learn more about the Bosch CO4151
  23. Bosch CO4152 25/64" Cobalt SP Jobber Drill Bit (6 Pack) Add to Wishlist
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    Bosch

    Bosch CO4152

    25/64" Cobalt SP Jobber Drill Bit (6 Pack)

    Sale Price: $37.19

    Designed for heavy-duty drilling in hardened stainless steels, cast iron, and titanium. Learn more about the Bosch CO4152
  24. Bosch CO4153 13/32" Cobalt SP Jobber Drill Bit with 3/8" Reduced Shank (6 Pack) Add to Wishlist
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    Bosch

    Bosch CO4153

    13/32" Cobalt SP Jobber Drill Bit with 3/8" Reduced Shank (6 Pack)

    Sale Price: $46.99

    Designed for heavy-duty drilling in hardened stainless steels, cast iron, and titanium. Learn more about the Bosch CO4153
  25. Bosch CO4154 27/64" Cobalt SP Jobber Drill Bits with 3/8" Reduced Shank (6 Pack) Add to Wishlist
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    Bosch

    Bosch CO4154

    27/64" Cobalt SP Jobber Drill Bits with 3/8" Reduced Shank (6 Pack)

    Sale Price: $46.99

    Designed for heavy-duty drilling in hardened stainless steels, cast iron, and titanium. Learn more about the Bosch CO4154

Items 1-25 of 30

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