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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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Bosch CO4130
3/64" Cobalt Jobber Drill Bit
Sale Price: $1.39In StockHigh 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 -
Bosch CO4131
1/16" Cobalt Jobber Drill Bit (12 Pack)
Sale Price: $12.99Bosch 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 -
Bosch CO4132
5/64" Cobalt Jobber Drill Bit (12 Pack)
Sale Price: $12.99Bosch 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 -
Bosch CO4133
3/32" Cobalt Jobber Drill Bit (12 Pack)
Sale Price: $12.99Bosch 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 -
Bosch CO4134
7/64" Cobalt Jobber Drill Bit (12 Pack)
Sale Price: $13.79Bosch 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 -
Bosch CO4135
1/8" Cobalt SP Jobber Drill Bit (12 Pack)
Sale Price: $15.39In StockBosch 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 -
Bosch CO4136
9/64" Cobalt SP Jobber Drill Bit (12 Pack)
Sale Price: $16.59Bosch 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 -
Bosch CO4137
5/32" Cobalt SP Jobber Drill Bit (12 Pack)
Sale Price: $17.39In StockBosch 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 -
Bosch CO4138
11/64" Cobalt SP Jobber Drill Bit (12 Pack)
Sale Price: $18.29Bosch 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 -
Bosch CO4139
3/16" Cobalt SP Jobber Drill Bit (12 Pack)
Sale Price: $20.99Bosch 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 -
Bosch CO4140
13/64" Cobalt SP Jobber Drill Bit (12 Pack)
Sale Price: $26.99Bosch 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 -
Bosch CO4141
7/32" Cobalt SP Jobber Drill Bit (12 Pack)
Sale Price: $32.99Bosch 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 -
Bosch CO4142
15/64" Cobalt SP Jobber Drill Bit (12 Pack)
Sale Price: $29.59Bosch 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 -
Bosch CO4143
1/4" Cobalt SP Jobber Drill Bit (12 Pack)
Sale Price: $38.99Bosch 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 -
Bosch CO4144
17/64" Cobalt SP Jobber Drill Bit (6 Pack)
Sale Price: $20.99In StockDesigned for heavy-duty drilling in hardened stainless steels, cast iron, and titanium. Learn more about the Bosch CO4144 -
Bosch CO4145
9/32" Cobalt SP Jobber Drill Bit (6 Pack)
Sale Price: $22.99Designed for heavy-duty drilling in hardened stainless steels, cast iron, and titanium. Learn more about the Bosch CO4145 -
Bosch CO4146
19/64" Cobalt SP Jobber Drill Bit (6 Pack)
Sale Price: $26.99Designed for heavy-duty drilling in hardened stainless steels, cast iron, and titanium. Learn more about the Bosch CO4146 -
Bosch CO4147
5/16" Cobalt SP Jobber Drill Bit (6 Pack)
Sale Price: $28.99Designed for heavy-duty drilling in hardened stainless steels, cast iron, and titanium. Learn more about the Bosch CO4147 -
Bosch CO4148
21/64" Cobalt SP Jobber Drill Bit
Sale Price: $5.39Bosch 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 -
Bosch CO4149
11/32" Cobalt SP Jobber Drill Bit (6 Pack)
Sale Price: $33.99Designed for heavy-duty drilling in hardened stainless steels, cast iron, and titanium. Learn more about the Bosch CO4149 -
Bosch CO4150
23/64" Cobalt SP Jobber Drill Bit (6 Pack)
Sale Price: $38.99Designed for heavy-duty drilling in hardened stainless steels, cast iron, and titanium. Learn more about the Bosch CO4150 -
Bosch CO4151
3/8" Cobalt SP Jobber Drill Bit (6 Pack)
Sale Price: $39.99Designed for heavy-duty drilling in hardened stainless steels, cast iron, and titanium. Learn more about the Bosch CO4151 -
Bosch CO4152
25/64" Cobalt SP Jobber Drill Bit (6 Pack)
Sale Price: $40.99Designed for heavy-duty drilling in hardened stainless steels, cast iron, and titanium. Learn more about the Bosch CO4152 -
Bosch CO4153
13/32" Cobalt SP Jobber Drill Bit with 3/8" Reduced Shank (6 Pack)
Sale Price: $46.99Designed for heavy-duty drilling in hardened stainless steels, cast iron, and titanium. Learn more about the Bosch CO4153 -
Bosch CO4154
27/64" Cobalt SP Jobber Drill Bits with 3/8" Reduced Shank (6 Pack)
Sale Price: $46.99Designed for heavy-duty drilling in hardened stainless steels, cast iron, and titanium. Learn more about the Bosch CO4154
