Id try this one.
http://www.tooled-up.com/Product.asp?PID=124734&MAN=Plasplug-Dsh400-Compact-Drill-Sharpenerhttp://www.tooled-up.com/Product.asp...0-Compact-Dril l-Sharpener
The Bi metal hole saw should be fine.
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Id try this one.
http://www.tooled-up.com/Product.asp?PID=124734&MAN=Plasplug-Dsh400-Compact-Drill-Sharpenerhttp://www.tooled-up.com/Product.asp...0-Compact-Dril l-Sharpener
The Bi metal hole saw should be fine.
i searched on google and it came up with this, same one? just slightly cheaper:)
http://www.machinemart.co.uk/shop/product/details/dsh400-drill-sharpener/path/knives-multitools-2http://www.machinemart.co.uk/shop/pr...rpener/path/kn ives-multitools-2
Looks the same.:)
Bi-metal saws do alu nicely. I have cut through 20mm thick alu with a 125mm hole saw and 350w cheap bench drill. It didnt even take much longer than 20 minutes. :) Just spray some cutting fluid or denaturized ethanol on it, so it doesnt melt the material.