Bosch 3/16-in x 3-1/2-in Jobber Drill Bit, Black Oxide, Bulk
Bosch BL4139
SKU BPT-BL4139
Bosch's 3/16-in x 3-1/2-in black oxide coated fractional jobber drill bits are manufactured with a speed helix design that allows for more efficient drilling, reduced, and extended drill bit life. Discover more drill bits at HomElectrical now!
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Bosch BL4139 Description
- Bulk Pack.
- Diameter: 3/16 Inch.
- Overall Length: 3-1/2 Inch.
- Shank: 3/16 Inch.
- Speed helix design for three times faster drilling than standard bits.
- Last 50% longer than high-speed steel.
- Easier drilling, reduced heat and extended drill bit life.
- For use in steel, copper, aluminum, brass, oak, maple, MDF, pine, PVC, polycarbonate, acrylic, ABS, nylon and composite materials.
Get FREE shipping on eligible order of $99+
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$2.09Each
Sold by the Case of 12 for only $25.08
Ships between 08/03/2026 - 08/07/2026
Return180-day Return Policy
Product Specifications
| Part Number | BL4139 |
| Weight | 0.02-lb |
| UPC | 000346328745 |
Manufacturer Description
3/16-in BLACK OXIDE SPJOBBER (BULK)
Important PROP 65 InformationWarning: This product can expose you to chemicals, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov. to CA residents.
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