How to drill a 17mm diameter circle on a 5mm thick aluminium?
 發表於 : 週三 10月 29, 2003 9:05 pm
發表於 : 週三 10月 29, 2003 9:05 pmI just have a AC powered hand drill  ...
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but I failed to find a 17mm diameter drill head fit my drill. Any tools I can used ? I wanna make a perfect circle 
 
Thanks a lot for help
			 ...
 ...
but I failed to find a 17mm diameter drill head fit my drill. Any tools I can used ? I wanna make a perfect circle
 
 
Thanks a lot for help

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