Description
Description
Bosch BL4147 Description
Bosch black oxide fractional jobber drill bits are designed for general-purpose drilling in metal, wood, plastic, and composite materials. The split point starts on contact to help prevent walking, while the speed helix design delivers faster drilling, reduced heat, and longer bit life.
Bosch BL4147 Includes
- (6) 5/16 in. x 4-1/2 in. Black Oxide Fractional Jobber Twist Drill Bits
Bosch BL4147 Features
- Speed helix design drills up to 3 times faster than standard bits
- Split point tip starts on contact to help prevent walking and skating
- Black oxide bits last up to 50% longer than high-speed steel
- Reduced heat buildup helps extend drill bit life
- Suitable for steel, copper, aluminum, brass, oak, maple, MDF, pine, PVC, polycarbonate, acrylic, ABS, nylon, and composite materials
Bosch BL4147 Specifications
| Bit Diameter | 5/16 in. |
| Bit Material | Black Oxide |
| Bit Type | Twist |
| Length | 4.5 in. |
| Minimum Chuck Size Required | 3/8 in. |
| Package Quantity | 6 |
| Surface Coating | Black Oxide |
Toolup Part # :
28444
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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