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Bosch CO4159 1/2" Cobalt SP Jobber Drill Bit with 3/8" Reduced Shank (6 Pack)
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Features
- 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 no walking or skating and no center punch is required
- 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 66-68 HRC from the cobalt formulation gives the ability to penetrate exceptionally tough materials
In The Box
In The Box
- Six (6) 1/2" Cobalt SP Jobber Drill Bit
