Bosch's 9/32-in x 4-1/4-in black oxide coated fractional jobber drill bits are manufactured to be able to drill through multiple types of materials, with three times faster drilling speed than standard bits. Shop drill bits at HomElectrical now!
- Bulk Pack.
- Diameter: 9/32 Inch.
- Overall Length: 4-1/4 Inch.
- Shank: 17/64 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.