Bosch
27/64" Cobalt SP Jobber Drill Bits with 3/8" Reduced Shank (Bulk)
SKU CO4154
Must be purchased in multiples of 6
- 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
- High red hardness of cobalt steel permits speeds 30% higher than regular high speed steel drills
Must be purchased in multiples of 6
In The Box
- Bulk 27/64" Cobalt SP Jobber Drill Bits
Warning: Products may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information: Click Here