Description
Description
Bosch BL4155 Description
Bosch black oxide metal drill bits are built for professional general-purpose drilling. Each bit features a split point tip that starts on contact to help reduce walking and skating, while the black oxide finish supports durability, faster drilling, reduced heat, and longer bit life across metal, wood, plastic, and composite materials.
Bosch BL4155 Includes
- (6) 7/16 in. x 5-1/2 in. fractional jobber black oxide twist drill bits
Bosch BL4155 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 finish helps reduce heat and extend drill bit life
- Designed for general-purpose drilling in metal, wood, plastic, and composite materials
- Suitable for steel, copper, aluminum, brass, oak, maple, MDF, pine, PVC, polycarbonate, acrylic, ABS, nylon, and composite materials
- Jobber length design supports a wide range of professional drilling applications
Bosch BL4155 Specifications
| Bit Diameter | 7/16 In. |
| Bit Material | Black Oxide |
| Bit Type | Twist |
| Length | 5.5 in. |
| Minimum Chuck Size Required | 3/8 in. |
| Package Quantity | 6 |
| Surface Coating | Black Oxide |
Toolup Part # :
28655
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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