Milwaukee Thunderbolt 21-Piece Black Oxide Drill Bit Set, 1/16 In. thru 1/2 In.
- The 3-flat secure-grip shank won't slip in the drill chuck
- Specially designed parabollic flute form clears chips and debris fast
- Features a thicker core than a standard drill bit
- 21 Pcs. in set
- Reduced shank diameter for use in 3/8' chucks