Guide Case Mod Guide: Using A Hole Saw For Installing Fans

I've had a lot of people ask me to record a video on how to use a Hole Saw for installing cooling fans.




Bi-Metal Hole saw attachment sizes for Drills. Great for cutting fan holes in acrylic and metal.

80mm = 3” hole saw
92mm = 3.5” hole saw
120mm = 4.5” hole saw

 

nice guide !
are those "Hole Saw" better then uhhh... something like this (don't know how it's called) ?



I had one but now it's broken and I'm thinking of getting a new one or maybe some holesaw, what do you think ?

 

they are better in every way!! especially Bi-Metal holesaws

 

A holesaw is ALWAYS better than that "widdowmaker" some call a tool...

 

Definately get yourself a set of bi-metal hole saws Dark, they're much more efficiant

 

Have to say otherwise. The bit Dark posted is so versatile and lovely for anything but steel. That's where the bi- metal holesaw come in handy.

 

thanks for the advise !

 

Nice video, Bill. I especially like how you showed how to mount grommets, as I've had difficulty with those in the past.

Also, I would recommend staying away from cheap holesaw kits (I bought one recently, and it's not a great option.) It might be worthwhile just to get individual hole saws in the size you want, or otherwise invest in some quality sets.

 

@ ModMinded, I agree completely! buy the hole saws you need individually. You can get better quality and you also avoid buying extra blades you never use.

Also, in the video I was cutting aluminum, but if you're cutting steel panels, lubricate the hole saw blade with oil.

 

Does WD40 spray work with these hole saws.? I have a cheap set I have only used on plexi. The WD40 - aside from being flung about - seems to do OK on plexi. I have some holes coming up in alum. and just wonered.

john

 

I use a spray called Fluid Film for lubrication when cutting metal and such. Works really good. Was cutting through 1/4" alum with a jigsaw and spray that on the metal and blade before cutting and the piece didnt get too hot that I couldnt pick it up right after cutting it off. It also allowed me to cut wayyy faster.

Here is what it looks like

 

Very nice guide

 

has anybody found a source for cheap bi-metal holesaws? my local hardware store has 120mm ones for $60, seems a bit excessive.

 

Thank you, I hope to find more time to produce more.. it's been awhile..heh

Try the larger Home Improvement Dept stores for better pricing. I've bought mine from "The Home Depot" in the past.

80mm = 3” hole saw
92mm = 3.5” hole saw
120mm = 4.5” hole saw

 

http://cgi.ebay.com/NIP-Bosch-Hole-...0|66:2|65:12|39:1|240:1318|301:0|293:1|294:50

That may help you.

 

Nice!, If he doesn't buy it, I will ..lol

 

WD-40 can ignite when cutting steel as the temperatures can be above its flashpoint. Use it at your own risk! (get a proper machining lubricant tbh; it's not exactly expensive)

 

That's called a trepanning tool and they work quite well.
Most people run them a too high a speed and fail to sharpen the cutting tool but properly set up and operated they are quite good- which is the case with most tools actually.

 

only thing is it seems to not come with an arbor. maybe im wrong. but anyways, there are many hole saws to be found for cheap prices on ebay.

 

No worries, I have arbors, I'll let supertoad have a chance at it tho

Agree, You can see the results with cutting acrylic in this worklog by endscape