metal drill bit make holes in steel billet on industrial drilling machine. metal work industry. multi cutting tool and end mill

alloy aluminium billet bit building carbide center concept construction cutting deburr dimple drill drilling end engineering equipment friction high hole holes industrial industry lubrication machine make material measure mechanic metal metalworking mill milling multi pattern precision press production punch reduces repairing sharp shavings speed stainless steel structure swarf technical titanium tool turnings work