Is the router bit and template for use with a router or a drill press?
I don't have a router and bit extension, but can get to a drill press.
I also have a plethora of bi-metallic hole saws up past 2 1/2" =
660mm. And cutting oil/machining lube.

> From:    Don Hundt <dhundt@BENDBROADBAND.COM>
> Subject: Re: PDX Machine Shop Recommendation?
>
> With a plywood template centered over the hole and a pattern (top
> bearing)
> router bit like this, http://www.rockler.com/product.cfm?page=5411
> one
> could do a pretty clean job.
> Don
> ----- Original Message -----
> From: "Jake de Villiers"
>> A 1/2" shankcarbide router bit works very well on aluminium, but
>> its not a
>> job for a neophyte!  =)