set of counterbores and countersinks on a white background

accessory background bit bits bolt borer closeup coaxial collection color cone conical counterbore counterbores countersink countersinks cross cutter cutting cylindrical design drill drilling edge endmill engineering equipment flute fluted geometry groove group hardness hardware high hole industrial industry instrument isolated machining manufacture manufacturing mechanical metal metallic metalwork nobody nopeople part precision processing quality rotate screw set sharp silver single spare speed steel store supply technical technology tip tool tools turning white whole working zero