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Best Hole Saws

HolePro T-200 1-5/8" to 8" Adjustable Hole Cutter for Recessed Lights Speakers. Twin High Speed Steel HSS Blades use ¼ Drill Power of a Hole Saw to Cut Sheetrock Plastic Soft-woods NO PLYWOOD/PLASTER
** DRILL NOT INCLUDED *** ***NOT FOR PLASTER *** NOT FOR ENGINEERED WOODS SUCH AS PLYWOOD OR OSB OR MDF*** HSS BLADES NOT REPLACEABLE *** Great for DIYer cutting holes in soft sheetrock for recessed light cans and speakers. High speed steel blades cut through sheetrock and have a thin kerf profile to cut through wood, plastics, and delicate acoustic tile. Orange knob makes it simple to limit the cutting depth to reduce risk of cutting wires and pipes behind the sheetrock or paneling. 11" OD Shield - Cuts perfect holes from 1-5/8" to 8" - replacing hole saw kits with multiple saws.
Reviews
"This tool does exactly what it is supposed to do. The HSS blades that come with the kit were fairly dull after 8 cuts through the 2-layer ceiling. I ordered the carbide blades from the manufacturer for the next ceiling and was thrilled with the results."
"My research showed that a 6” can light might take a larger cut out, so I bought my lights first, took them out of the packaging and confirmed the size hole I needed to cut. You just set each blade to the marked size on the hole cutter measure bar (eg, I had some 6" cans that needed a 7" cut-out, and some 4" cans that needed a 5" cutout). I only had to identify the 'center' of the hole and started the pilot bit on that marking, and the hole was perfectly round, and cut in seconds where I wanted it. I highly recommend this hole cutter for the DIYer who has a home project requiring cutting perfect, holes!"
"I could cut 2 holes then had to sharpen the cutters. Since you can't buy new cutters for this model, I felt I was being forced to purchase the pro model for 15 holes."
"But most jobs you cut the same sized holes so you are not changing w each cut. One mistake I did make - I bought this for installing 6" and 8" ceiling speakers, thinking it's an 8" hole cutter , should be fine - my bad."
"The yellow rubber gasket sealed to the ceiling and the blades gave a super clean cut. The seal on the drill shaft is wonderful and the spring action is solid and precise."
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Drilax™ 10 Pcs Diamond Drill Bit Set Hole Saws for Kitchen, Bathroom, Shower, Faucet Wet Drilling Tool Ceramic, Porcelain Tiles, Glass, Marble, Granite Hole Sizes 1/4", 3/8", 1/2" (0.5 Inch) , 3/4" , 1", 1 1/4", 1 3/8", 1 1/2", 1 3/4", 2"
Drilax Diamond Drill Bit - Hole Saw Set of 10 Pieces All Popular Sizes from 1/4" to 2" Inch for Wet Cutting Tiles, Glass, Fish Tanks, Marble, Granite, Ceramic, Porcelain, Bottles, Quartz Sinks, Lot 10 Diamond Coated Core Hole Saws- Kitchen, Bathroom, Shower, Faucets. The diamond particule coating on DRILAX hole saws give superior performance and lifetime. ; Here is how you can keep the drill bit on target: a- You can make your own guide out of plywood - plastic or even a card board. Amazon sells DRILAX Diamond Hole Saw Guides. Diamond Drill Bit Tools 10 pcs Set 1/4", 3/8", 1/2", 3/4", 1", 1 1/4", 1 3/8", 1 1/2", 1 3/4", 2". These tools do not have center pilot drills.
Reviews
"Wanted to drill a hole in granite for a vessel sink."
"Worked perfect for cutting the plumbing holes needed for the shower I tiled."
"I refrained from buying the MUCH less expensive diamond hole saws and although I can't compare results, the Drilax saws worked extremely well (have only used three sizes thus far)."
"They work real well but unfortunately weren't deep enough to complete the job."
"Don't let the price fool you this set do a good job can't beat the price my father cut and made a marble bathroom top with no problem just need to use it right I was impressed by how good they cut just need to add water while cutting wont damage them or the marble."
"Sooo useful for a variety of projects."
"I put plumbers putty around the area, filled with water, ( added some if needed) and ran drill at a slower pace to reduce heat and friction."
"I was more worried about drilling through stone than any other part of my Bathroom upgrade (because I've never done it before)."
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EazyPower 6" Hole Saw for CornHole Boards
Also great for duct work, AC/Heat registers, ceiling lights, and speakers. For wood, soft metals, drywall, plastics, ceiling tiles.
Reviews
"sharp and well made... very hard to controll but not fault of saw its just bvery difficult to hold exactly vertical !!"
"The steel is pretty strong, but won't hold up to a super powerful drill motor if you go too fast."
"Having a corded electric drill would probably be best, but i was able to cut four holes with my cordless dewalt drill."
"I have literally built 15 sets of cornhole boards with this hole saw."
"My first cut, the center post drill bit that guides the say broke clean off!!!"
"I was able to use the hole saw to still make guidelines for the jigsaw cuts on some cornhole boards, so I finished the job... just not getting the value from this purchase that I'd expected."
"I was able to cut one hole in 1/4" hardboard using a drill press, and the result was a jagged hole, lots of vibration, and I was concerned that it might break."
"We barely got through completing 1 hole on 1/2" plywood."
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Best Hole Saw Arbors

DEWALT DW1803 Heavy Duty 7/16-Inch Shank Quick Change Mandrel (Fits Hole Saws 1-1/4-Inch - 6-Inch)
DEWALT's Heavy-Duty 3/8-Inch Shank Quick Change Mandrel features a spring-loaded collar that automatically engages drive pins, a patented Pilot Point tip that allows for faster penetration of materials, and double-set screws with a recessed combination head making it easy to quickly change centering bits. All quick change mandrels utillize hardened steel construction and have been tested through 15,000+ cycles to deliver jobsite durability. All quick change mandrels utillize hardened steel construction and have been tested through 15,000+ cycles to deliver jobsite durability.
Reviews
"When I first pulled it out of the packaging, I was afraid that it wouldn't fit my rechargeable drill but it fit just fine."
"It's easy to retract and hold while spinning a hole saw on or off the arbor. The Irwin, Milwaukee, and Lenox hole saws all installed easily on the DeWalt arbor."
"Nice adjustability of the center drill bit inside the circle saw component."
"Thus there is no way to reliably order a Dewalt arbor for a 3/8" drill to fit a hole saw with a 5/8"-18 engagement thread."
"As this was my first hole saw and I didn't already have the mandrel portion, I ordered the combo of 2"-dia (2"-max-depth) hole saw and 7/16"-shank mandrel [DW1803] recommended by Amazon. The 2 pegs in the silver-colored locking collar snap into one of the 2 opposing-hole pairs in the bottom of any Dewalt hole saw to hold the cutting end in place, but at the same time prevent the hole saw from locking itself onto the mandrel under the torque of drilling. Just slip the mandrel shank into your drill chuck & tighten down, then with the drill positioned the way you'll be using it (butt end against your belly), use one hand to pull the locking collar toward you as far as you can, and the other hand to screw the barrel end of the hole saw onto the threaded part of the mandrel. You should end up such that tightening the barrel part all the way down leaves the locking pins misaligned with both of the crosswise pairs of receiving holes, at which point you unscrew the barrel just enough to allow the pins to snap into the nearest hole pair. Lastly, I used the centering hole left in the tenon by the pilot bit of the hole-saw mandrel by drilling a same-1/4"-diameter hole the rest of the way through the center of the mortise (which in my case only went 1.5" sideways into a 4x4, roughly halfway through) and then using a lag screw started from the opposite side of the 4x4 to firmly fasten everything together."
"This quick change Mandrel is required when using other style hole cutting saw blades."
"I purchased (http://www.amazon.com/DEWALT-D180034-8-Inch-Standard-Bi-Metal/dp/B00005LEZB/ref=sr_1_1?ie=UTF8&qid=1419370355&sr=8-1&keywords=DEWALT+D180034+2-1%2F8-Inch+Standard+Bi-Metal+Hole+Saw) as well from Amazon which is a great product."
"The locking pins will even match up on my other hole saws so...I am not sure if this is by design or by accident but the end result is they fit and it really makes your hole saw fit good and snug."
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Best Hole Saw Sets & Kits

DEWALT D180005 14 Piece Master Hole Saw Kit
Includes 11 hole saws, a small quick-change mandrel, a large quick-change mandrel, replacement parts, and case.
Reviews
"Awesome set!"
"Nice solid carrying case with metal clasps to boot."
"Works like a charm."
"Excellent hole saw kit."
"Awesome product, if it's Dewalt it's great."
"Need to drill holes of varying sizes?"
"Arrive on time, as described."
"A must have to complete and tool set."
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