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WTBorrow 3.25" Hole Saw
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quarterback:
I got something like that from HarborFreight for much less than $25 for a single 3.35" holesaw.  The one I got had three outer cutting tips which would side in and out to make bigger or smaller holes.  Popped it into my cordless drill and cut some ~4" holes for a different application.

If you've got a HF locally, check them out.  I'm pretty sure they've got a multi-holesaw kit for like $5-$8, but I don't think it includes a 3.25".  I think they have one that goes to 3.5" though.


--- Quote from: WwonderLlama on December 29, 2005, 10:26:48 am ---Just as a thought, I bought a hole cutter that's designed (I think) for a drill-press.  It's basically a drill bit with an arm that connects to an adjustable metal cutter (so you can change the radius of the hole.  IIRC, the bit cost me about $8.

Get ready for some ascii art:

         (bit)     
           ||
           ||   (arm)
           ||__________||__
           ||---------------||---
           ||               ||
           ||               ||
           \/               |/
                       (cutter)

Anyway, I bought this instead of a holesaw.  I didn't see the sense in paying $25 for something I'd use once either.  Instead, I paid about $8 for something I used once. ;) 

Anyway, if you'd like to try it, I'm sure it'd cost less than shipping someone else's holesaw back and forth.

As a side note, I believe I used my drill in reverse when using this, but in retrospect, it's probably not necessary.  Just use your drill at a semi-slow speed and all should be well.

Edit: made ascii art a little clearer... (maybe?)

--- End quote ---
LPZ:
Thanks for all the help fellas. 

Quarterback--Checked the local harbor frieght.  Every size except 3 1/4.

Jabba--Just thought I'd deal with the local BYOAC
LPZ:
Jabba-Wanted to deal with the local BYOAC first.  Since there is an outpouring of help, I'd rather help each other out and throw a bone to a local member for a helping hand. 

I will pm lama to get some shipping info for his bit.  It seems interesting to try out and plus it's adjustable for a perfect hole.

Again, thank guys for the quick help.  It's great to deal with a bunch of enthusiasts like myself, that are willing to lend a hand when it's needed.

LPZ
WwonderLlama:
Well, I feel rather sheepish.... If anyone wants to try the tool I used, it's called... <drumroll> a "Circle Cutter" ..... /sigh

So, now you know what to ask for in your hardware store... a "circle cutter" for a drillpress.  :-X
rdagger:
I might be mistaken, but doesn't the Happ 3" trackball require a 3" hole (not 3.25")?

I cut the opening for my 3" Happ with a router (chamfer bit) using an MDF template made with a 3" hole saw.
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