More metal working than plumbing.
I have a 20 litre copper water container (cylindrical about 30cm diameter, 2-3mm thick, 99.9% copper) . I need to deburr several 15mm diameter holes. Also need to drill a 15mm hole then debur. Should I use a countersink drill bit set to deburr I the existing hole and a cone cutter (https://www.ebay.co.uk/itm/266463635203?_skw=cone+cutter&epid=6030842562&itmmeta=01M65186V43WD1W4PENGV8QEER&hash=item3e0a786703:g:j80AAOSwQBNfLEbC&itmprp=enc:AQALAAAAwLMoA3ATICNpdlejoNWn7Ee7s41zCKtsJw0sQHMcLOwruX+LGKdDGqkgH23DXhDuUGXezUL2pZeseJ7XD/MVg0/0/enfagWbHAmElWy0zpTAcyMbC3sDzfDYgyFGaABPAFQeFA/2apja7KzfKXAY+AyQu19fpflOWmPQvYWnd1uMYzZQe8anFLQEcyw4igO2enchad4guhV5KOtZD37OkRZz5oCi/8qYLzZTD8r46Y58mQZBiaMVYxhxS/1twxqXKQ==|tkp:BlBMUPrtoKGxaA) for drilling a 15mm hole through the copper cylinder?
I have a 20 litre copper water container (cylindrical about 30cm diameter, 2-3mm thick, 99.9% copper) . I need to deburr several 15mm diameter holes. Also need to drill a 15mm hole then debur. Should I use a countersink drill bit set to deburr I the existing hole and a cone cutter (https://www.ebay.co.uk/itm/266463635203?_skw=cone+cutter&epid=6030842562&itmmeta=01M65186V43WD1W4PENGV8QEER&hash=item3e0a786703:g:j80AAOSwQBNfLEbC&itmprp=enc:AQALAAAAwLMoA3ATICNpdlejoNWn7Ee7s41zCKtsJw0sQHMcLOwruX+LGKdDGqkgH23DXhDuUGXezUL2pZeseJ7XD/MVg0/0/enfagWbHAmElWy0zpTAcyMbC3sDzfDYgyFGaABPAFQeFA/2apja7KzfKXAY+AyQu19fpflOWmPQvYWnd1uMYzZQe8anFLQEcyw4igO2enchad4guhV5KOtZD37OkRZz5oCi/8qYLzZTD8r46Y58mQZBiaMVYxhxS/1twxqXKQ==|tkp:BlBMUPrtoKGxaA) for drilling a 15mm hole through the copper cylinder?
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