Description
Description
Bosch CO2151B Description
Bosch Cobalt M42 Metal Drill Bits are engineered with upgraded M42 alloy containing 8% cobalt for up to 10X life versus standard bits. This jobber-length bit is built for high-heat applications and features a thick web-helix design for fast material removal and added stability. Its split point and three-flat shank help provide easy starts, better grip, and reliable performance in stainless steel, cast iron, titanium, light-gauge metal, and aluminum.
Bosch CO2151B Includes
- (1) 3/8 In. x 5 In. Cobalt M42 Twist Drill Bit
Bosch CO2151B Features
- Upgraded M42 alloy with 8% cobalt delivers up to 10X life versus standard bits
- Built for high-heat applications and hard metal drilling
- Thick web-helix design improves stability in tough applications
- Surface-hardened tip penetrates abrasive materials
- Split point helps start holes cleanly without skating
- Three-flat shank improves chuck grip and reduces slippage
- Ideal for stainless steel, cast iron, titanium, light-gauge metal, and aluminum
Bosch CO2151B Specifications
| Bit Diameter | 3/8 in. |
| Bit Material | Cobalt |
| Bit Type | Twist |
| Length | 5 in. |
| Minimum Chuck Size Required | 3/8 in. |
| Package Quantity | 1 |
| Surface Coating | Uncoated (Bright Finish) |
| Cobalt Content | 8% |
| Tip Design | Split Point |
| Shank Type | Three-Flat |
WARNING: This product can expose you to chemicals, which are known to the State of California to cause cancer and birth defects or other reproductive harm. www.p65warnings.ca.gov
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.



