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BOSCH HDG11 11-Piece Diamond Hole Saw Assorted Set for Hard Materials for Use Only with Machines Designed for Wet Sawing and on GFCI-Protected Circuit

4.6 4.6 out of 5 stars 2,104 ratings
Amazon's Choice highlights highly rated, well-priced products available to ship immediately.
Amazon's Choice in Hole Saws by BOSCH

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Set

Purchase options and add-ons

Material Plastic
Brand BOSCH
Color Blue
Style Set
Item Weight 0.03 Pounds
Compatible Material Porcelain

About this item

  • Vacuum-brazed diamond grit cuts faster and lasts longer
  • Segmented teeth reduce debris and heat
  • AutoStart pilot bit is spring-loaded, retractable shaft allows walk-free cutting without a pilot hole
  • Pilot bit offers unique grind that starts holes accurately every time
  • Plastic case
  • Set includes: (1) mandrel, (1) AutoStart pilot bit, hole saws: (1) 1 4 inch, (1) 5 16 inch, (1) 3 8 inch, (1) 5 8 inch, (1) 1 inch, (1) 1-3 8 inch, (1) 2 inch, (1) 2-1 4 inch, (1) 2-1 2 inch
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Customer ratings by feature

Easy to remove
4.7 4.7
Easy to use
4.7 4.7
Durability
4.5 4.5
Value for money
4.4 4.4

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From the brand


From the manufacturer

Vacuum-brazed diamond

Cuts faster and lasts longer.

Segmented teeth

Reduce debris and heat build-up.

Fast and easy starts

Even in the hardest materials like porcelain and granite.

Integral Quick Change adapter

Changes hole saw sizes and types in seconds, easy material plug removal.

Customer Reviews
4.6 out of 5 stars
2,104
4.6 out of 5 stars
2,104
4.6 out of 5 stars
2,104
4.6 out of 5 stars
2,104
Part Number HDG138QA HDG7 HDG11 HDGM
# of Pieces 3 7 11 3
Application Porcelain Tile, Ceramic Tile, Natural Stone Porcelain Tile, Ceramic Tile, Natural Stone Porcelain Tile, Ceramic Tile, Natural Stone Porcelain Tile, Ceramic Tile, Natural Stone

Product information

Technical Details

Additional Information

Warranty & Support

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BOSCH

BOSCH HDG11 11-Piece Diamond Hole Saw Assorted Set for Hard Materials for Use Only with Machines Designed for Wet Sawing and on GFCI-Protected Circuit


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Product Description

Product Description

Fast and easy starts, even in the hardest materials like porcelain and granite. Quick Change universal hole saw system allows change to any size or type of hole saw in seconds. For use only with machines designed for wet sawing and on a GFCI-protected circuit.

Amazon.com

The Bosch diamond grit hole saw is one of the latest additions to the Bosch hole saw product line. The hole saw features vacuum brazing technology for faster cutting and longer life than competitive products. As with Bosch's entire line of hole saws, these products are part of the patented Quick Change universal hole saw system, which lets you change hole saws in seconds. Bosch's new diamond grit hole saws start fast and simple, every time.

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BOSCH HDG11 11-Piece Diamond Hole Saw Assorted Set for Hard Materials for Use Only with Machines Designed for Wet Sawing and on GFCI-Protected Circuit
BOSCH HDG11 11-Piece Diamond Hole Saw Assorted Set for Hard Materials for Use Only with Machines Designed for Wet Sawing and on GFCI-Protected Circuit
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Price-7% $39.05
Typical:$42.19
$180.40$36.09$32.54$24.99
Delivery
Get it as soon as Tuesday, Apr 2
Get it as soon as Tuesday, Apr 2
Get it as soon as Tuesday, Apr 2
Get it as soon as Tuesday, Apr 2
Get it as soon as Tuesday, Apr 2
Get it as soon as Tuesday, Apr 2
Customer Ratings
Value for money
4.4
3.9
4.1
3.9
4.4
4.5
Durability
4.5
3.7
2.6
4.5
3.7
Easy to use
4.7
4.0
3.3
4.7
Longevity
4.3
3.9
4.3
4.3
Easy to remove
4.7
4.1
4.7
Sold By
Vera Tools
Amazon.com
Amazon.com
Amazon.com
Amazon.com
DKITDBIT
material
Plastic
Cobalt
Metal
80% Bi-Metal,5% HSS ,15% High Carbon Steel
Diamond
Diamond
number of pieces
11
9
15
9
1
1
compatible material
Porcelain
Plastic, Metal, Aluminum, Wood
Metal
Plastic
Porcelain
Stone, Porcelain, Ceramic, Marble
weight
0.03 pounds
2.2 pounds
0.07 pounds

Customer reviews

4.6 out of 5 stars
4.6 out of 5
2,104 global ratings

Customers say

Customers like the cooling of the saw blade. They say it stays cooler and prevents the bit from getting hot. They also say it cuts through porcelain tile with ease and flawlessly with no issues. Customers are happy with the performance of the bit, saying it works great with their normal drill. They appreciate the cleanliness of the holes it creates. Customers also appreciate ease of use. However, some customers are disappointed with the hole it create. Opinions are mixed on value and quality.

AI-generated from the text of customer reviews

192 customers mention187 positive5 negative

Customers are satisfied with the performance of the saw blade. They mention that it does the job well, works great with their normal drill, and is the right tool for the job. Some mention that the bit works fantastic on concrete, glass mosaic small tiles, and porcelain tile.

"...The bit showed no appreciable wear when done, and should perform well for a while...." Read more

"...I can say this is a solid performing hole saw bit that performs as expected and has good longevity for the price (currently $20 for the 1/2 inch)...." Read more

"It's such a weird bit, but it does a great job, and the tile has no cracks...." Read more

"...Hole saw worked great!" Read more

134 customers mention119 positive15 negative

Customers like the ease of cutting with the saw blade. They say it last longer and cuts easier than all others, it cuts through porcelain tile with ease, and it cuts flawlessly with no issues. Some mention that it works wonderfully and that it cuts a nice, clean hole through the brick.

"...Diamond grit edge cut smooth and steady, and it removed a solid plug of granite that was just the right size...." Read more

"...I can say this is a solid performing hole saw bit that performs as expected and has good longevity for the price (currently $20 for the 1/2 inch)...." Read more

"It's such a weird bit, but it does a great job, and the tile has no cracks...." Read more

"...I bought the bosch mandrel and didn't realize this. The quick change is pretty nice...." Read more

25 customers mention22 positive3 negative

Customers find the saw blade easy to use. They say the point is excellent and makes the job a lot easier. They also say it's handy to have to drill small projects and that the process of making the cut was quite easy. Customers also mention that the bit out without tools bores porcelain tile with ease.

"...Overall, nice and easy." Read more

"...And the timing is easy to figure - just dip it when the dust starts to look a little dry. You want it to look like a slurry at all times." Read more

"...The cut, as you can see, is very clean and even. The process of making the cut was quite easy with a wooden template I taped to the top surface...." Read more

"Was very easy to use and works perfectly for a great price" Read more

12 customers mention12 positive0 negative

Customers are satisfied with the cleanliness of the saw blade. They mention that it makes clean holes without creating hairline or spider web cracks. Some say that it works well on plaster and makes fast holes. Overall, most are happy with the product's cleanliness.

"...This bit was slow, but it did a great clean job." Read more

"...The three center cores came out so clean, we need to find something to use them for as well...." Read more

"...It worked wonderfully. It cut a nice, clean hole through the brick...." Read more

"Clean, quick cut from interior wall through to exterior. Exterior is dense stucco that eats bi-metal bitts for lunch. This cut through like butter...." Read more

10 customers mention10 positive0 negative

Customers are satisfied with the cooling of the saw blade. They mention that the bit barely gets warm, the hole saw never seems to get hot, and the cutting edge of the tool is stone cold. They also say that there is no need for coolant or lubrication.

"...This serves to keep the bit cool and to stop flyaway dust. I highly recommend this product and I would buy it again." Read more

"...When I finished a hole, the cutting edge of the tool was stone cold. Didn't dull a bit after three cuts...." Read more

"...Incidentally this also helps with water retention and helps cool the blade for a faster cut." Read more

"...I used minimal pressure and let the bit do the work. It never got hot due to the water, so I imagine it would last for a few dozen holes at least...." Read more

103 customers mention71 positive32 negative

Customers are mixed about the quality of the saw blade. Some mention it has fantastic quality and durability, while others say it didn't hold up as this brand has in the past. The marble pieces are somewhat fragile and it tends to chip.

"...Diamond grit edge cut smooth and steady, and it removed a solid plug of granite that was just the right size...." Read more

"...Rubbed in a little olive oil on the cut side edges and they almost look polished...." Read more

"Doesn’t last long. Thought it was a better product" Read more

"...When I was done, this bit looks like it could drill another 50 holes if I needed! Anybody out there want three brand new inexpensive tile bits?" Read more

52 customers mention34 positive18 negative

Customers are mixed about the value of the saw blade. Some mention it's worth the price, works perfectly, and is an excellent buy. However, others say that it'd be a complete waste of money.

"...performing hole saw bit that performs as expected and has good longevity for the price (currently $20 for the 1/2 inch)...." Read more

"...Even at Amazon's price this saw is expensive and then they want you to buy an expensive mandrel and pilot bit as well...." Read more

"...The price was cheaper than a coring bit, so figured why not...." Read more

"...Definitely a great quality tool. Worth every Penny." Read more

11 customers mention0 positive11 negative

Customers find the hole of the saw blade to be slow. They mention that it takes over 15 minutes per hole and requires some patience.

"...4. Some materials take a lot of time, so just be patient...." Read more

"...This bit was slow, but it did a great clean job." Read more

"...Definitely requires some patience, but this is the only drill bit that can get it done. Technique is different than a regular drill bit...." Read more

"...Not fast but much better." Read more

I LOVE BOSCH- This particular piece... not so much
5 Stars
I LOVE BOSCH- This particular piece... not so much
We used this for a non typical situation... so our results may vary from what you will experience.We needed a 1.5" hole to install our Aquor hose hydrant. We have 4" thick limestone slab skirting around our foundation, with terracotta structural block behind it in this particular section. The previous hole for a frost proof spigot was 1". Knowing that 100yr old terracotta block and limestone can be sensitive we needed to minimize blowout, so went with a brand name vs one of the random ones listed here. The price was cheaper than a coring bit, so figured why not.(* If you need to install an Aquor* The sizing is accurate on this, so that's a positive! It does fit so that you have just enough meat left for pre-drilling holes for screws, if your in the same position as us trying to fit the fat portions of the circle faced Aquor into Masonry. Hopefully you have a newer construction home that's just a brick veneer with regular concrete and plywood framing. )[Considering a bulk of the stone was already removed, it seemed reasonable this should work effortlessly.]Despite water and keeping the diamond teeth clean by continually removing build up, pausing to allow it to cool down... it struggled. This with a Bosch Brute Drill and a Dewalt 20v XR. It started great, the diamonds seemed to loose effectiveness quickly, while in the limestone. Once it hit terracotta it was done. So longevity for us was short lived. Value for money in our particular situation, I would say no.One thing to note, it kept getting unscrewed from the arbor, this seemed odd as to remove it from the quick connect base it came with, I had to use a vise and small pipe wrench. (Both in such a mannerism to prevent tweaking it.) So if using in a place that if it untwist, you could loose it, continually check for tightness if not using the quick connect fitting.[ I ordered a 12" Bosch arbor with the SDS+ end to use with our Bulldog, however the threading spacing was different, correct size just a different thread pattern.***We used a Master Force #3 arbor with their extender so this could have been part of the problem***. It didn't fit the Spyder or Dewalt Arbors we already had.]I ended up switching to a 1.25" Lennox diamond saw to finish, It went through effortlessly, with the same arbor and extender.(I should have just bought one specifically for coring, lesson learned. If you have reinforced bomb proof/ bridge grade concrete basement walls... 100% just get a coring hole saw. We have two others to install that go through limestone and extra strong concrete with #11 & #14 rebar... we won't be using this hole saw. 😂)If you're using this for thin material you should be fine. I do not recommend using this on porcelain tiles though! Get a continuous diamond coated edge vs teeth.
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5.0 out of 5 stars I LOVE BOSCH- This particular piece... not so much
Reviewed in the United States on April 10, 2022
We used this for a non typical situation... so our results may vary from what you will experience.

We needed a 1.5" hole to install our Aquor hose hydrant. We have 4" thick limestone slab skirting around our foundation, with terracotta structural block behind it in this particular section. The previous hole for a frost proof spigot was 1". Knowing that 100yr old terracotta block and limestone can be sensitive we needed to minimize blowout, so went with a brand name vs one of the random ones listed here. The price was cheaper than a coring bit, so figured why not.

(* If you need to install an Aquor* The sizing is accurate on this, so that's a positive! It does fit so that you have just enough meat left for pre-drilling holes for screws, if your in the same position as us trying to fit the fat portions of the circle faced Aquor into Masonry. Hopefully you have a newer construction home that's just a brick veneer with regular concrete and plywood framing. )

[Considering a bulk of the stone was already removed, it seemed reasonable this should work effortlessly.]

Despite water and keeping the diamond teeth clean by continually removing build up, pausing to allow it to cool down... it struggled. This with a Bosch Brute Drill and a Dewalt 20v XR. It started great, the diamonds seemed to loose effectiveness quickly, while in the limestone. Once it hit terracotta it was done. So longevity for us was short lived. Value for money in our particular situation, I would say no.

One thing to note, it kept getting unscrewed from the arbor, this seemed odd as to remove it from the quick connect base it came with, I had to use a vise and small pipe wrench. (Both in such a mannerism to prevent tweaking it.) So if using in a place that if it untwist, you could loose it, continually check for tightness if not using the quick connect fitting.

[ I ordered a 12" Bosch arbor with the SDS+ end to use with our Bulldog, however the threading spacing was different, correct size just a different thread pattern.
***We used a Master Force #3 arbor with their extender so this could have been part of the problem***. It didn't fit the Spyder or Dewalt Arbors we already had.]

I ended up switching to a 1.25" Lennox diamond saw to finish, It went through effortlessly, with the same arbor and extender.

(I should have just bought one specifically for coring, lesson learned. If you have reinforced bomb proof/ bridge grade concrete basement walls... 100% just get a coring hole saw. We have two others to install that go through limestone and extra strong concrete with #11 & #14 rebar... we won't be using this hole saw. 😂)

If you're using this for thin material you should be fine. I do not recommend using this on porcelain tiles though! Get a continuous diamond coated edge vs teeth.
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6 people found this helpful
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Reviewed in the United States on October 18, 2023
Size: 1/2 InchStyle: 1 PieceVerified Purchase

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Maribel E
5.0 out of 5 stars Buena compra, pero se desgasta rápido
Reviewed in Mexico on December 4, 2023
Size: 1/4 InchStyle: 1 PieceVerified Purchase
Steven A.
5.0 out of 5 stars Grinder compatible!
Reviewed in Canada on February 3, 2020
Size: 4 InchStyle: 1 PieceVerified Purchase
4 people found this helpful
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Juan
5.0 out of 5 stars Funciono
Reviewed in Mexico on December 5, 2023
Size: 1/4 InchStyle: 1 PieceVerified Purchase
jimmy field
5.0 out of 5 stars Last longer than the cheaper ones
Reviewed in Canada on November 30, 2023
Size: 1/4 InchStyle: 1 PieceVerified Purchase
Deborah Craw
4.0 out of 5 stars durable and affordable
Reviewed in Canada on February 29, 2024
Size: 3/16 InchStyle: 1 PieceVerified Purchase