Milwaukee Thunderbolt 21-Piece Black Oxide Drill Bit Set, 1/16 In. thru 1/2 In. Hex Shank Drill Bit Set The Thunderbolt web features a

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

The 3-flat secure-grip shank won't slip in the drill chuck

cut away design fits around existing supply lines to remove coupling nut

NM-B cable is primarily used in residential wiring as branch circuits for outlets

and many chemicals

Milwaukee Thunderbolt 21-Piece Black Oxide Drill Bit Set, 1/16 In. thru 1/2 In. Hex Shank Drill Bit Set The Thunderbolt web features aThe 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