Model # 49-56-9646

Internet #202327762

Store SKU #231524

Milwaukee 4-1/8 in. Hole Dozer Hole Saw
0045242222643

Milwaukee

4-1/8 in. Hole Dozer Hole Saw

  • Rip Guard, the strongest tooth form in the industry
  • 8% cobalt construction for increased wear resistance
  • Plug Jack, an all access slot design for fast plug removal
$2497 /each
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Product Overview

The Milwaukee Hole Dozer Hole Saw features Rip guard, the strongest tooth form in the industry, backed by the Rip guard limited lifetime tooth break warranty. Each tooth is built with more steel behind the cutting edge for added strength. The Rip Guard warranty on tooth breaks is a first for the hole saw industry. The added tooth strength along with 8% cobalt give added life to the teeth, allowing for increased productivity on the jobsite, as well as continued hole quality. The Hole Dozer includes Plug Jack, an all access slot design that allows for full access during plug removal. The Plug Jack gives access lower into the cup for thick material and higher towards the teeth for thin material. With multiple positions to apply leverage and better plug access, Plug Jack increases productivity and eliminates wasted downtime between holes. For fast, tool-free change-outs, use Milwaukee's universal Quick-Change Arbors. 49-56-7210, 49-56-7240, 49-56-7250 and 49-56-9100.

  • Rip guard, the strongest tooth form in the industry
  • Rip guard limited lifetime tooth break warranty
  • Plug jack, an all access slot design for fast plug removal
  • Bi-metal construction with 8% cobalt for increased wear resistance

Info & Guides

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Specifications

Dimensions

Bit Diameter
4-1/8 in
Bit Length (in.)
1.625
Drilling Depth (in)
1.8
Hole Saw Diameter (in)
4-1/8"
Shank Diameter
3/8 in

Details

Arbor included
No
Bit Material
Bi-Metal
Drill Bit Type
Hole Saw
Drill Bit Type(s) Included
Hole Saw
Individual/Set
Individual
Material Cut
Multi-Purpose
Min Chuck Size Required
1/2 In.
Pilot Bit Included
No
Returnable
90-Day
Shank Style
Hex
Shank Style
Hex
Tools Product Type
Power Tool

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Customer Questions & Answers

Does this hole saw cut sheet metal?

Asked by: FloridaSon
Yes. Very thin to thick. Just keep it cool and it will do well.
Answered by: Bill
Date published: 2017-06-05

Does this cut stocco

Asked by: Joe
Will work ok.
Answered by: Neup
Date published: 2017-06-13

Cut through brick for dryer exhaust?

Trying to drill the exhaust hole for the dryer. Can I used this to drill through brick? its an old chicago building?
Asked by: steve
No. Use a masonry hole saw for something like this. Would probably be diamond-tipped.
Answered by: Sven
Date published: 2017-05-22

Can it saw cement ?

Asked by: tony
No I wouldn't think so.
Answered by: Doc
Date published: 2017-04-11
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Customer Reviews

4-1/8 in. Hole Dozer Hole Saw is rated 4.2 out of 5 by 481.
Rated 5 out of 5 by from Bored 20 holes in 1/4" steel plate and this saw is as sharp after the last as it was on the first... Bored 20 holes in 1/4" steel plate and this saw is as sharp after the last as it was on the first. Used plenty of cutting oil, enough pressure to produce continuous chips, and 250 rpm speed on my drill press. Holes are clean and round. All this and a lifetime tooth breakage warranty? Very impressive and highly recommended.
Date published: 2017-01-25
Rated 5 out of 5 by from Cuts through 1/4" plate steel with no problem. Made 20... Cuts through 1/4" plate steel with no problem. Made 20 hole cuts with no duling of the blade, so I give it an Excellent rating.
Date published: 2017-03-28
Rated 5 out of 5 by from Great for stainless steel ... Great for stainless steel
Date published: 2017-04-21
Rated 2 out of 5 by from I bought the 4" hole saw in order to install nine, 4 inch round ceiling electrical boxes. The cei... I bought the 4" hole saw in order to install nine, 4 inch round ceiling electrical boxes. The ceiling is 1/2" gypsum blue board with a veneer plaster sand swirl finish skim coat. The first three holes went fine, but I noticed the teeth were dulling at an alarming rate. By the time I got to the seventh hole, the teeth had completely worn away, and I had to "cut" new teeth into it using a Dremel tool and a an small stone. I realize that this hole saw is only meant for wood and steel, and I'm sure that the 1/8" veneer plaster is what dulled it, (once it got through the veneer plaster it cut like butter) but I was surprised at how quickly the teeth wore away considering that it was dulled by the fourth hole.
Date published: 2017-05-15
Rated 1 out of 5 by from This is a complete waste of money! I purchased this exact size from Harbor freight in a 3 pack wi... This is a complete waste of money! I purchased this exact size from Harbor freight in a 3 pack with variable sizes which is $10 less than this bit by itself. The generic bit made 5 recessed lighting holes with ease through lathe and plaster. I assumed if I spent a little more money it would get one that lasted longer and cut faster. I was completely wrong! This bit went dull after cutting two holes and I even pre-drilled the holes with the dull cheap bit to avoid the lathe from eating the teeth. I am sure this is good for cutting balsa wood at best.
Date published: 2017-03-03
Rated 5 out of 5 by from Simply put, this is one tough, well made hole saw.... Simply put, this is one tough, well made hole saw. Two things stand out: it is easier to get the cut material out of the inside of the saw after you finish the hole, and, it has double sets of mandrel centering holes, so any mandrel will sit as close as possible to the base of the saw. While this doesn't sound like a big deal, the less the saw vibrates, the better and truer the holes will turn out. Good, FAST removal of material, great choice for those that use cordless Drill motors. Well worth the price!
Date published: 2017-06-22
Rated 5 out of 5 by from I bought this hole saw to make a neat hole in a plywood sheet that I was installing between tow p... I bought this hole saw to make a neat hole in a plywood sheet that I was installing between tow plastic shelves that Home Depot sells. It's just the right diameter to let the plastic legs of the shelves fit thru. Used my cordless DeWalt drill and the hole saw did an excellent job of cutting thru the layers of the plywood. it has side holes so you can stick a screwdriver in to pry out the slug after you have made the cut.
Date published: 2017-05-03
Rated 2 out of 5 by from Not good for metal! I recently got this hole saw to cut two holes through some stainless steel sheet metal. And I must say that I am VERY disappointed in its performance. These bimetal hole saws are sold as being capable of cutting through metal (including stainless steel), but it looks like they are fundamentally a woodworking tool that just cuts metal as an afterthought. I specifically tried cutting the steel at as close to the recommended 80RPM as my drill would allow and used plenty of cutting fluid. But it was slow going all the way. And the tool ended up becoming uselessly dull in the end. And at $13 a pop, that's pretty expensive for a tool that is not going to last. Granted, if you are into woodworking rather than metalworking, this hole saw will probably serve you well. It might even be OKAY if you use it to cut aluminum. But it is clearly not meant for cutting steel (and should not be sold as such).
Date published: 2017-03-12
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