set of steel various sized drill bits with hexagonal shank in plastic holder

accessory accuracy background bit blue borer boring box closeup collection construction copy cutter cutting design detail different diy drill drilling edge engineering equipment gray grooved hard hardware helix hexagonal high holder hole industrial industry light machine machining manufacture mechanical metal metallic metalwork nobody plastic processing quality repair scale screw service set shank sharp silver silvery size space speed spiral steel store supply tech technical technology tip tool turning twisted various white woodwork working