Bosch HBT450 4-1/2 Inch Bi-Metal Hole Saw M42 Cobalt Alloy 5 TPI Progressor Tooth for Wood Metal and Plastic
SKU: 29503891112

Bosch HBT450 4-1/2 Inch Bi-Metal Hole Saw M42 Cobalt Alloy 5 TPI Progressor Tooth for Wood Metal and Plastic

Sale price$34.46 Regular price$38.29
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Description

Bosch HBT450 4-1/2 Inch Bi-Metal Hole Saw M42 Cobalt Alloy 5 TPI Progressor Tooth for Wood Metal and PlasticINDUSTRIAL STRENGTH AND SPEED FOR LARGE DIAMETER APPLICATIONS Maximize your productivity on the job site with the Bosch HBT450 4 1 2 Inch Bi Metal Hole Saw. Engineered for professionals who demand reliability, this hole saw is constructed from Boschs enhanced M42 alloy material, which contains 8% cobalt. This premium composition offers superior heat resistance and extends the tool's life by up to 20% compared to standard bi metal cutters. It is the

INDUSTRIAL STRENGTH AND SPEED FOR LARGE DIAMETER APPLICATIONS

Maximize your productivity on the job site with the Bosch HBT450 4-1/2 Inch Bi-Metal Hole Saw. Engineered for professionals who demand reliability, this hole saw is constructed from Bosch’s enhanced M42 alloy material, which contains 8% cobalt. This premium composition offers superior heat resistance and extends the tool's life by up to 20% compared to standard bi-metal cutters. It is the ideal choice for drilling large, clean holes in tough materials such as metal, stainless steel, wood, drywall, and plastic, making it a staple for electricians, plumbers, and general contractors.

The HBT450 is designed to solve common drilling frustrations. It features the innovative "Progressor" tooth geometry with an alternating 5 TPI pattern, ensuring faster cutting speeds and reduced vibration. The unique triangle "shark tooth" side slots improve heat dissipation and make plug removal efficient and hassle-free. With a reinforced shoulder for added strength against high torque and a deep 1-3/4 inch cup to handle thick materials, this hole saw delivers consistent performance cut after cut.

Key Features

  • M42 Cobalt Alloy: Contains 8% cobalt for exceptional heat resistance and significantly longer tool life.
  • Progressor Tooth Design: Alternating 5 TPI geometry cuts faster and cleaner in wood, metal, and plastic.
  • Triangle Slot Design: Specialized side slots allow for easy plug ejection and efficient heat reduction.
  • Reinforced Shoulder: Provides structural stability and prevents stress failure during heavy-duty use.
  • Deep Cup Capacity: 1-3/4 inch cutting depth easily accommodates 2x lumber and thick composite materials.
  • Multi-Material Versatility: Optimized for cutting wood, drywall, plastic, metal, and stainless steel.
  • Universal Compatibility: Compatible with standard large-diameter mandrels and quick-change systems (sold separately).

What's Included

(1) 4-1/2 Inch Bi-Metal Hole Saw (Arbor/Mandrel Sold Separately)

Specifications

Manufacturer Bosch
Model Number HBT450
Saw Diameter 4-1/2 in.
Max Cutting Depth 1-3/4 in.
Teeth Per Inch (TPI) 5
Blade Material Bi-Metal M42 (8% Cobalt)
Tooth Design Progressor
Arbor Included No (Requires Large Mandrel)
Applications Drywall, Metal, Plastic, Wood
Product Weight 1.18 lbs
Package Quantity 1

Pro-Tip: Safety is key when using large diameter hole saws like this 4-1/2 inch model. The rotational force can be significant when the saw engages the material. Always use a drill equipped with a side handle to maintain a secure grip and prevent wrist injury from "kickback."

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 29503891112

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VetPilot
Lowell, US
★★★★★ 5
High Quality and Operability - Great!
Great mouse! Not only good, but feels and operates as well as, or better than a Microsoft mouse, and a lot more reasonable! Comes with AAA batteries, the USB transceiver is stored inside the battery compartment (good when packing and traveling), and a white support strap lays down below the installed batteries so that it is easier to remove them when its time to change the battery. Be sure to go into Control Panel/Mouse and make any click-speed or mouse movement adjustments to your liking. I plan on buying another one of these for my second HP laptop. The USB transceiver is immediately responsive and you will see a red laser at the bottom of the mouse.
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Reviewed in the United States on April 29, 2026
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Yaya
Cuba, US
★★★★★ 5
Works Perfect, No Installation Needed, Perfect Size, and Wonderful Price!
Several months ago when the keys on my laptop mouse pad started to go out, I was really irritated because I have gotten so used to using the mouse pad that I was worried that I wouldn't be able to work as efficiently using a wireless mouse. I knew that it would only be a few days before the keys got to the point that I wouldn't be able to use them and started looking on Amazon for a wireless mouse that I might possibly be able to stand using on a daily basis. I spotted the AmazonBasics Wireless Mouse and thought that it wouldn't be that great because it was way cheaper than most of the other wireless ones that I could find. I went ahead and placed my order because I needed something and thought that if it didn't work that well, I wouldn't be out of that much money. When it arrived, I was happy to see that it was a tad bit smaller than other ones that I have used with desktops in the past since I have small hands. I opened the package, popped in some batteries, plugged the nano receiver into my USB slot, and it was working instantly. I thought that it would take some time to install ( I did not read much on it when I purchased it honestly, I just needed one quick!), but was SO happy to see that it needed nothing to be installed. I have been using this wireless mouse for about a year and half now and I have recommended it to SO many people who were looking for one. I work at home on my laptop 7 days a week and anywhere between 12 - 18 hours a day. I only have to change the batteries about once every two months (sometimes it will go a little longer and sometimes a little bit less - not sure on why though). This mouse has worked flawlessly since the day of purchase and I was SO wrong to think that because it was cheaper than the others that it wouldn't work as well. There has never been a time where it disconnected from the computer or that there was any issue using it. A few times when it has needed the batteries changed and I wait a few days, there is a tiny lag - but that is all my fault. The AmazonBasics Wireless Mouse has a little red indicator light that lets you know when the batteries are getting low and need to be changed. I like that feature so that I'm always aware of when they need to be changed. Since I travel a lot, this mouse is great because it doesn't take up a lot of space in the laptop bag. I also never have to worry about losing the nano receiver because once you remove the little door to the battery area, there is actually a space that the nano receiver clicks into making it perfect for travel. If you are in the market for a great wireless mouse, I would recommend the AmazonBasics Wireless Mouse because it has been through over a year of my all day, everyday use and still works just like the day that I purchased it!
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Reviewed in the United States on September 3, 2015
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Joe Watanabe
Whiting, US
★★★★★ 5
It works and is well priced.
This mouse works as well as much higher-priced brand-name items. It fits well in the hand. The durability is very good. Considering the price compared to other brand names, this is a very good value.
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Reviewed in the United States on May 27, 2026
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Mark H. in the Garage
Grantham, US
★★★★★ 4
Solid Everyday Mouse with a Few Comfort Trade-Offs
I’ve been using this Amazon Basics 2.4 GHz wireless optical mouse as a simple, no-frills option, and overall it does exactly what it’s supposed to do. Setup was instant with the USB nano receiver, tracking is accurate, and the wireless connection has been reliable with no dropouts or lag during daily use. It’s lightweight and works well for general browsing and office tasks. Where it falls a bit short for me is ergonomics. Compared to my Logitech mouse, this one doesn’t feel quite as natural or contoured in the hand during longer sessions. It’s by no means uncomfortable, just not as refined in terms of hand fit. That said, for the price and simplicity, it’s a dependable mouse that gets the job done. A solid choice if you want something basic and reliable.
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Reviewed in the United States on January 10, 2026
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Hardy
Charlottesville, US
★★★★★ 5
Love it
I’m honestly impressed with this mouse. The Wireless Optical Mouse works exactly as it should—simple, reliable, and smooth. Setup was instant, just plug in the USB receiver and it’s ready to go. No lag or connectivity issues at all. The tracking is precise, and it feels comfortable even after long use. The battery life is solid, and I like that it goes into sleep mode to save power. It’s lightweight but still feels well-built, not cheap. For the price, this is a great value. If you need a dependable wireless mouse without overpaying for unnecessary features, this is a perfect choice.
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Reviewed in the United States on April 24, 2026

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