Description
Description
Bosch BL4157 Description
Bosch BL4157 fractional jobber black oxide drill bits are built for reliable general-purpose drilling in metal, wood, plastic, and composite materials. A split point starts on contact to reduce walking, while the speed helix design helps drill faster, reduce heat, and extend bit life.
Bosch BL4157 Includes
- (6) 15/32 in. x 5-3/4 in. fractional jobber black oxide drill bits
Bosch BL4157 Features
- Speed helix design drills up to 3 times faster than standard bits
- Split point tip starts on contact with reduced walking or skating
- Black oxide construction helps reduce heat and extend drill bit life
- Designed for general-purpose drilling in steel, copper, aluminum, brass, hardwoods, plastics, and composites
- Jobber length twist bit design supports versatile shop and jobsite use
- Requires a minimum 3/8 in. chuck size
Bosch BL4157 Specifications
| Bit Diameter | 15/32 In. |
| Bit Material | Black Oxide |
| Bit Type | Twist |
| Length | 5.75 in. |
| Minimum Chuck Size Required | 3/8 in |
| Package Quantity | 6 |
| Surface Coating | Black Oxide |
Toolup Part # :
28868
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
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