Bosch's 21/64-in x 4-5/8-in black oxide coated fractional jobber drill bit is manufactured to exacting specifications & features a split point that starts on contact with no walking or skating. Discover more drill bits at HomElectrical today!
- Diameter: 21/64 Inch.
- Overall Length: 4-5/8 Inch.
- Shank: 21/64 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.