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What do you use to cut in can lights? #203760
10/23/11 01:50 AM
10/23/11 01:50 AM
gfretwell  Offline
Joined: Jul 2004
Posts: 9,362
I have am doing another "honey do" chore for my wife putting in a bunch of 6" cans. I have a cutter that fits on my drill that does a good job on the 4". No joy on 6" tho.

I experimented with a box knife blade on a stick of wood with a center pivot hole into a screw in drywall anchor. That seemed to work OK for scoring the paper but as the blade got a bit deeper it was gouging out the hole (flat blade, round hole thing)

I guess there is an attachment for a rotozip but I don't have one and I am hoping she gets over this can thing soon. wink

I was just curious what the real tool was.

Greg Fretwell
Work Gear for Electricians and the Trades
Re: What do you use to cut in can lights? [Re: gfretwell] #203762
10/23/11 02:04 AM
10/23/11 02:04 AM
jackolsen  Offline
Joined: Feb 2008
Posts: 21
british columbia canada
I use a rack-a-tiers Hole Pro adjustable twin blade hole cutter,it will cut plywood and also drywall.I have had one for about 3 years and it works well.The mess is contained in the cover.Great tool!

Re: What do you use to cut in can lights? [Re: jackolsen] #203764
10/23/11 03:22 AM
10/23/11 03:22 AM
Trumpy  Offline

Joined: Jul 2002
Posts: 8,260
SI,New Zealand
Hole-saw in a cordless drill, as a rule.
If you are really smart, you'll put a paper grocery bag just "above" the chuck of the drill, this catches any dust.
Less time cleaning up, more time watching sport. grin

Re: What do you use to cut in can lights? [Re: gfretwell] #203765
10/23/11 06:44 AM
10/23/11 06:44 AM
twh  Offline
Joined: Mar 2004
Posts: 947
Regina, Sask.
I am hoping she gets over this can thing soon.
I look forward to the end of the pot light fad.

Re: What do you use to cut in can lights? [Re: twh] #203766
10/23/11 06:55 AM
10/23/11 06:55 AM
sparkyinak  Offline
Joined: Jul 2007
Posts: 1,335
Drywall saw. I can "feel" in I'm hitting wires and joists without damaging them

"Live Awesome!" - Kevin Carosa
Re: What do you use to cut in can lights? [Re: gfretwell] #203767
10/23/11 09:55 AM
10/23/11 09:55 AM
wire_twister  Offline
Joined: Jul 2007
Posts: 265
Georgia USA
Hole saw for me, back probe to make sure there are no joists in the way, and just cut the rock. Mikes trick with the paper sack works great.


Life is tough, Life is tougher when you are stupid
Re: What do you use to cut in can lights? [Re: gfretwell] #203768
10/23/11 11:29 AM
10/23/11 11:29 AM
KJay  Offline
Joined: Nov 2007
Posts: 763
Iíve used a HolePro X-200 adjustable hole cutter for years. I think they have changed the model number for this cutter now, but it is an 8-inch max diameter, two-blade cutter with a nice heavy duty plastic dust shield that uses a sealed bearing assembly in the shaft hole. I use this with my cordless 18V XRP hammerdrill with the side handle installed.
I upgraded it with their tungsten carbide cutters so I can use it for plaster, Hardiboard and fiber cement shingles as well. I also have the hole saw adapter arbor kit for it, so I can use the dust shield with my regular hole saws and my larger Greenlee RC light hole saws.
They now sell a vacuum adapter for the dust shield for RRP work, if thatís something you do.

HolePro Cutter

Re: What do you use to cut in can lights? [Re: gfretwell] #203770
10/23/11 10:16 PM
10/23/11 10:16 PM
Admin  Offline

Joined: Oct 2000
Posts: 3,545

Ideal makes an inexpensive adjustable hole cutter (for drywall or ceiling tiles only):


Re: What do you use to cut in can lights? [Re: gfretwell] #203777
10/24/11 10:55 AM
10/24/11 10:55 AM
renosteinke  Offline
Cat Servant
Joined: Jan 2005
Posts: 5,316
Blue Collar Country
The Greenlee hole saws work reasonably well, but there's plenty of room for improvement.

Problem #1 for the Greenlee saws is that they come in several sizes that are very close together- it's quite easy to pick the wrong one, and make the wrong hole. Make REAL sure you have the right one.

Problem #2 is the ease with which any large hole saw binds. This can be hard on the wrists- and the head, if you're flipped off the ladder. When cutting through plywood, I've had that little 'bind' break things inside the big, fat right-angle drill. (More of a piglet than a hog!)

Problem #3 is the enormous amount of dust created as you drill. Better have someone hold a HEPA-filtered vacuum next to the saw- and a tarp under you.

Still, I cannot think of a better way. Maybe the fancy saw covers work; the cheap ones sure don't. Someone suggested cutting a basketball in half, and I just might try that; I can even add a vacuum hose port!

I can't see how to use a multi-master to make a round hole in the ceiling would be much of an improvement- though the muiti-master is the cat's meow for rectangular holes in walls.

As for the Ideal cutter ... when they say 'drywall' they're only kidding. Even with ceiling tile, it's one heck of a dust maker. Using the plastic packing as your dust collector, as they instruct you, is some marketing guy's wet dream. The most I would use that for would be to mark the ceiling for guiding another tool- like a saber saw or rotozip.

As for the rotozip .... here's a hint: Don't use Rotozip bits! Instead, go to a machine shop supply house and get solid carbide milling cutters that are designed to throw the chips / dust DOWN, away from you. These will push a large amount of the dust into the wall cavity, rather than filling the air around you. Expensive, but worth trying.

Re: What do you use to cut in can lights? [Re: gfretwell] #203780
10/24/11 01:11 PM
10/24/11 01:11 PM
harold endean  Offline
Joined: Feb 2002
Posts: 2,233
Boonton, NJ
I use to use a drywall saw my self for all my cutting. They didn't have the hole saws when I was in business. Times they keep changing.

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