Bosch black oxide bits offer superior durability, speed and selection for most general purpose applications. Best for cutting holes into metal and work equally well in wood and plastic drilling. For use in steel, copper, aluminum, brass, oak, maple, MDF, pine, PVC, polycarbonate, acrylic, ABS, nylon and composite materials.
Features:
- 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
- Available in jobber length, stubby length, extended length (aircraft), 1/2 In. reduced shank (Silver and Deming)
- Cylindrical shank compatible with three-jaw drill chucks
- For rotary drills/drivers
- Fits tools of most brands
13/32" Fractional Jobber Black Oxide Drill Bit:
- Diameter (in): 13/32
- Working Length (in): 4-1/4
- Total Length (in): 5-1/4
7/16" Fractional Jobber Black Oxide Drill Bit:
- Diameter (in): 7/16
- Working Length (in): 4-1/2
- Total Length (in): 5-1/2
15/32" Fractional Jobber Black Oxide Drill Bit:
- Diameter (in): 7/16
- Working Length (in): 4-3/4
- Total Length (in): 5-3/4
1/2" Fractional Jobber Black Oxide Drill Bit:
- Diameter (in): 1/2
- Working Length (in): 5
- Total Length (in): 6