Benefits: BL3143
- Speed helix design penetrates 3X faster than standard bits
- Triple tempered black oxide coated bits last 50% longer than regular high speed steel
- 135° split point starts on contact with no walking or skating and no center punch is required
- Easier drilling, reduced heat and extended drill bit life
Specifications: BL3143
| Diameter | 1/4" | | Shank Diameter | 1/4" | | Overall Length | 2-1/2" | | Quantity | 12 (bulk) | | *Note | All 135° point round shank |
View More Sizes| Item # | Reviews | Diameter | Shank Diameter | Overall Length | Quantity | |
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| BL3135 | | 1/8" | 1/8" | 1-7/8" | 12 (bulk) |
| | BL3139 | | 3/16" | 3/16" | 2-3/16" | 12 (bulk) |
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Support: BL3143
 | Customer Support
Have a tool, accessory, application or service question? Call us at 1-877-267-2499 or visit Frequenty Asked Questions. |
 | Order Spare Parts
Order your genuine Bosch parts here, you can do it all here conveniently in minutes. |
Additional Information: Fractional Stubby Length Black Oxide Drill Bits (Bulk)
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