Originally Posted by tigmaster
Maurtis,a good way to save the contents of the can would be to use a sharp,1/4" ice pick in the area Your going to drill for the fittings first as both to locate Your hole saws 1/4" bit and to drain the liquid,but wont contaminate the juice with drill swarf....And another tip,on thin sheet metal You can use a 1/4" dowel pin inplace of the drillbit to guide the holesaw and not drift from the spot Your drilling....Also if Your drill press has reverse,a holesaw will cut thin metal better in reverse...Less aggressive that way!...It can catch and rip,not cut on the curved surface...I now do this on thinwall tube in My tubing notcher...After a snag broke My holesaw arbor!....Tigmaster....
Hadn't though of a hole saw in reverse,good idea. I know they put a skill saw blade in backwords to cut thin sheet metal. I will keep that in mind.........Curt