Boring machine
a tool used to enlarge or refine holes in metal, wood, or other materials with high precision, typically for industrial or machining applications
en-GB/ˈbɔːɹɪŋ məˈʃiːn/
en-US/ˈbɔɹɪŋ məˈʃin/
a tool used to enlarge or refine holes in metal, wood, or other materials with high precision, typically for industrial or machining applications