1-3/8″ x 6″, speedbor max drill bit, standard length, tri-flute design for faster chip ejection, cutting spurs have 3 cutting edges for added durability, full screw tip allows bit to self feed, grooved hex shank prevents slipping in drill chuck or bit extension, fits all standard 1/4″ quick change chucks.
- Tri-flute
- 3 cutting spurs
- Hex shank
