Metal Drilling
Cobalt Drill Bits
CO18
CO4029
Cobalt Drill Bit Sets
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
• A tough cobalt alloy delivers heat resistance up to 1100° Fahrenheit allowing the bit to perform for extended periods of time in the most abrasive materials without failing due to the high heat levels. Overall bit hardness of
• 135° split point starts on contact with no walking or skating and no center punch is required
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Item # | Diameter | Length | Diameter | Quantity |
Carded Items
CO2131 | 1/16" | 1/16" | 1 | |
CO2132 | 5/64" | 2" | 5/64" | 1 |
CO2133 | 3/32" | 3/32" | 1 | |
CO2134 | 7/64" | 7/64" | 1 | |
CO2135 | 1/8" | 1/8" | 1 | |
CO2136 | 9/64" | 9/64" | 1 | |
CO2137 | 5/32" | 5/32" | 1 | |
CO2138 | 11/64" | 11/64" | 1 | |
CO2139 | 3/16" | 3/16" | 1 | |
CO2140 | 13/64" | 13/64" | 1 | |
CO2141 | 7/32" | 7/32" | 1 | |
CO2142 | 15/64" | 15/64" | 1 | |
CO2143 | 1/4" | 4" | 1/4" | 1 |
CO2144 | 17/64" | 17/64" | 1 | |
CO2145 | 9/32" | 9/32" | 1 | |
CO2146 | 19/64" | 19/64" | 1 | |
CO2147 | 5/16" | 5/16" | 1 | |
CO2148 | 21/64" | 21/64" | 1 | |
CO2149 | 11/32" | 11/32" | 1 | |
CO2150 | 23/64" | 23/64" | 1 | |
CO2151 | 3/8" | 5" | 3/8" | 1 |
CO2152 | 25/64" | 25/64" | 1 | |
CO2153 | 13/32" | 13/32" | 1 | |
CO2154 | 27/64" | 27/64" | 1 | |
CO2155 | 7/16" | 7/16" | 1 | |
CO2156 | 29/64" | 29/64" | 1 |
Item # | # of Pieces |
CO1010
CO401313
CO1818
CO402929
Description
10 pc. set in
Fractional jobber length 1/16" to 1/4" by 64ths in metal index
18 pc. set in
Fractional jobber length 1/16" to 1/2" by 64ths in metal index
CO2157 | 15/32" | 15/32" | 1 | |
CO2158 | 31/64" | 31/64" | 1 | |
CO2159 | 1/2" | 6" | 1/2" | 1 |
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| Bulk Items |
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CO4128 | 1/64" | 3/4" | 1/64" | 12 |
CO4129 | 1/32" | 1/32" | 12 | |
CO4130 | 3/64" | 3/64" | 12 | |
CO4131 | 1/16" | 1/16" | 12 | |
CO4132 | 5/64" | 2" | 5/64" | 12 |
CO4133 | 3/32" | 3/32" | 12 | |
CO4134 | 7/64" | 7/64" | 12 |
Reversible Geared
mounting screws – coated and hardened and complete instructions.
| Chuck |
| Bit |
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Item # | Size# | Rating | Capacity | Mount | Application | |
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CKK002 | 3/8" | Heavy | 1/16" - 3/8" | 3/8" - 24 | of cordless and | |
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CKK003 | 3/8" | 1/16" - 3/8" | 3/8" - 24 | Fits all brands | ||
CKK004 | 3/8" | Heavy | 1/16" - 3/8" | 1/2" - 20 | of cordless and | |
corded drills and | ||||||
CKK005 | 1/2" | Heavy | 5/64" - 1/2" | 1/2" - 20 | ||
hammer drills. |
CO4135 | 1/8" | 1/8" | 12 | |
CO4136 | 9/64" | 9/64" | 12 | |
CO4137 | 5/32" | 5/32" | 12 | |
CO4138 | 11/64" | 11/64" | 12 | |
CO4139 | 3/16" | 3/16" | 12 | |
CO4140 | 13/64" | 13/64" | 12 | |
CO4141 | 7/32" | 7/32" | 12 | |
CO4142 | 15/64" | 15/64" | 12 | |
CO4143 | 1/4" | 4" | 1/4" | 12 |
CO4144 | 17/64" | 17/64" | 6 | |
CO4145 | 9/32" | 9/32" | 6 | |
CO4146 | 19/64" | 19/64" | 6 | |
CO4147 | 5/16" | 5/16" | 6 | |
CO4148 | 21/64" | 21/64" | 6 | |
CO4149 | 11/32" | 11/32" | 6 | |
CO4150 | 23/64" | 23/64" | 6 | |
CO4151 | 3/8" | 5" | 3/8" | 6 |
CO4152 | 25/64" | 25/64" | 6 | |
CO4153 | 13/32" | 13/32" | 6 | |
CO4154 | 27/64" | 27/64" | 6 | |
CO4155 | 7/16" | 7/16" | 6 | |
CO4156 | 29/64" | 29/64" | 6 | |
CO4157 | 15/32" | 15/32" | 6 | |
CO4158 | 31/64" | 31/64" | 6 | |
CO4159 | 1/2" | 6" | 1/2" | 6 |
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