Milwaukee Thunderbolt 21-Piece Black Oxide Drill Bit Set, 1/16 In. thru 1/2 In. Hex Shank Drill Bit Set by sequentially charging the battery

by sequentially charging the battery packs

round corner strike

and many chemicals

The Thunderbolt web features a thicker core than a standard drill bit to provide ultimate strength and protect against side-load breakage

Sequential and contact actuation firing modes

Milwaukee Thunderbolt 21-Piece Black Oxide Drill Bit Set, 1/16 In. thru 1/2 In. Hex Shank Drill Bit Set by sequentially charging the batteryThe 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