The 7 Best Jamb Saws (Review) in 2020

Best Jamb Saw

For any professional home improvement contractor, a jamb saw is a vital equipment. Without a good jamb saw in the arsenal, cutting door jambs precisely would be impossible. A nicely cut door jamb helps the door structure to blend in with the flooring or the carpeting of the room which improves indoor aesthetics.

A multi-functional tool may not be the right choice for a clean cut which makes jamb saws so important for any professional or DIY enthusiast. Now, what is a jamb saw?

A jamb saw is a tool that is specially designed to remove the bottom portion of door casings to allow flooring material or carpeting material to fit perfectly.

Jamb saws can be used for:

  • Cutting door jamb for floorings like laminate, cork, or wood.
  • Undercut fireplaces
  • Cut through masonry walls

Different blades can be used to achieve perfection in each case. They may be available with the jamb saw or undercut saw that you buy or you may have to buy them separately according to your needs.

It is quite easy to find the best jamb saw that fits your budget and requirement since they are quite versatile and available at a wide price range.

List of Best Jamb Saws:

1. Most Durable – DEWALT Oscillating Tool Kit

2. Multi Tool Saw – Rockwell Sonicrafter F30 Oscillating Multi-Tool

3. Best Portable Jmb Saw – Roberts 6-Inch Jamb Saw with Case

4. Best Budget – IRWIN Tools ProTouch Dovetail / Jamb Saw

5. Best Undercut Saw – Crain Heavy-Duty Undercut Saw

6. Best Undercut Door Jamb Saw – Kraft Tool FC518 Undercut Door Jamb Saw

7. Most Powerful – Dremel US40-01 Ultra-Saw Tool Kit

The Best Jamb Saws Reviews:

1. DEWALT Oscillating Tool Kit

Why We Love It

DEWALT Oscillating tool kit is definitely one of the most durable and powerful tool kits that you can buy. With a maximum of 22000 oscillations per minute and capability to offer accurate and precise cutting work, this jamb saw with tool kit can be a good addition to your collection.

It allows you to work in less light utilizing the in-built LED that comes with this tool kit. This kit from DEWALT also includes a 3-year warranty and money-back guarantee as well.

Keep in Mind

Although the tool has some issues with vibration control but with nice cutting speed, easy blade change facility, and overall ergonomic design, the tool can surely be on the top of your buy list.

In a Nutshell

  • 3 amp powerful motor for efficient sanding and cutting
  • Quick blade changing system minimizes time consumption
  • Comes with a speed trigger for better speed control
  • In-built LED lights allow you to work in the dark
  • Accurate cutting facility enhances your work

2. Rockwell RK5132K Sonicrafter F30 Oscillating Multi-Tool

Why We Love It

Rockwell Oscillating Multi-Tool has a high quality 3.5 amp motor that allows you to have better power and control over your work. It comes with a cutting arc of 4-degree and an additional vibration damper as well.

With this multi-tool at your disposal, you can always hope for a smooth operation. It comes with a universal fitting which allows you to use any standard blade you want.

Moreover, clamping the blades and other accessories do not require any additional tool as well.

The RK5132K also includes a speed dial that allows you to get precise cutting experience. This model is one of the best corded multi-tools that you can buy at an affordable price.

With this tool scraping, cutting and trimming become super easy. Even though this tool is really powerful, it does not weigh a lot which adds to ease-of-use as well.

Keep in Mind

Although this multi-tool does have some issues with the sanding pad, vibration control, and blade changing, overall this can be termed as one of the most powerful, efficient, and affordable multi-tools that you can get.

In a Nutshell

  • Once clamped, the blade does not slip
  • Tool-free clamping system allows you to change accessories swiftly
  • Universal fitting for sanders, blades, and other additional accessories
  • Smooth and vibration-free cutting experience every time
  • 32-piece kit includes more than what you need for your projects
  • Includes 3-year warranty on parts and accessories
  • Comes with powerful 3.5 amp motor

3. Roberts 6-Inch Jamb Saw with Case

Why We Love It

Roberts jamb saw brings to you one of the finest and powerful jamb saws you can buy. With a 900-watt motor, customizable blade height and cutting depth, this jamb saw is surely going to be one of your best buys.

Apart from having a portable and small design, it includes a carry case as well which adds to the ease of transportation.

If precision cutting is what you are looking for, then this electricity-powered jamb saw is all you need.

Keep in Mind

This particular jamb saw might not be as durable as it should be but if you think about the features like powerful motor, customizable cutting depth and height, and most importantly, its portability, you can surely give it a try!

In a Nutshell

  • 5 amp powerful motor
  • 6” Jamb saw for precise cut
  • Cutting depth and height can be adjusted
  • Smooth and quiet operation
  • Works great as trimmer
  • Comes with a carry case for easy transportation
  • Universal blade fitting system
  • 1 year warranty on product parts

4. IRWIN Tools ProTouch Dovetail / Jamb Saw

Why We Love It

IRWIN jamb saw is another compact, portable, yet powerful jamb saw that you can purchase. Apart from that, it’s affordable too which makes it one of the better choices for most people in this field.

The blade is easily reversible which makes it a perfect tool for both right and left-handed users. Even though this jamb saw does not have a motor, this is one of the most powerful undercut jamb saws you can buy.

The handle has a nice comfortable design which allows you to work for a long duration. The 10” long blade plays an important role in making your work easy.

Keep in Mind

Although you might find it a bit difficult to use this jamb saw and even face a little bit of trouble while cutting straight, the portability, ergonomic design, comfortable grip, and other important features can prompt you to go for it.

In a Nutshell

  • The blade is of 50 mm
  • Spring-loaded reversible blade
  • Ergonomic, comfortable handle design
  • Comfortable even while using the saw for long hours
  • Tooth count 14-pt.
  • Blade length is 10” and thickness is 2”

5. Crain Heavy-Duty Undercut Saw

Why We Love It

If you are looking to buy a powerful jamb saw, Crain heavy-duty undercut saw could be your best choice. This undercut saw is powered by a 13-amp motor and the steel blade that can cut through anything pretty much efficiently.

With this saw at your disposal, all your cutting job will be really easy. You can even adjust the depth and height of the blade as well to get the kind of cut you need.

Precision and efficiency are what you get with this electric jamb saw.

All the parts are durable and long-lasting, and most importantly, it comes with a carry case that adds to easy transportation of this tool from one place to another.

Keep in Mind

Even though this jamb saw is one of the most powerful of the saws that you can find, remember that it’s a bit heavy and large which might not be suitable for long hours of work.

In a Nutshell

  • Powerful 13-amp motor
  • Less dust while working with this model
  • Comes with vacuum port
  • Undercuts jambs, inside corners, and door walls
  • Affordable and great value for the price

6. Kraft Tool FC518 Undercut Door Jamb Saw

Why We Love It

Kraft Tool FC518 is a great example of a quality undercut door jamb saw. It’s not motor-powered and does not offer the efficiency that you get with a power tool but with a sharp, long blade and affordable price, this can be a powerful door jamb saw in your hand.

It’s thin and sleek in design which means you can use this saw for versatile work. Door jambs are not the limit for this jamb saw.

Asphalt pavers, cement finishers, tile setters, and brick masons, can also choose to pick jamb saw for the heavy-duty work.

Keep in Mind

Although you may not get a great level of efficiency compared to a motor-driven jamb saw, but overall, this jamb saw is good enough to help you get through your cutting job.

In a Nutshell

  • Durable and strong construction
  • Perfect to cut difficult areas
  • Blade is 12” long and is replaceable

7. Dremel US40-01 Ultra-Saw Tool Kit

Why We Love It

Looking to buy a powerful multi-saw? Well, Dremel US40-01 Ultra-Saw Tool Kit might be the right answer to all your needs. With durable construction, 7.5 amp motor, and powerful cutting abilities, this is the ultra-saw that you need for all kinds of metalwork.

With this kit, you can enjoy customized cutting speeds, efficient performance, and more importantly, versatile work facilities.

It can also perform some additional tasks like removing rust, paint, etc. from the working surface with ease.

Keep in Mind

Although this ultra-saw is a bit heavier and large which makes it a bit difficult to port from one place to another, but with the kind of versatility it offers and the power it generates, this tool kit can be a good addition to your work collection for sure.

In a Nutshell

  • Fast and improved cutting performance
  • 7.5 amp high-speed motor
  • Cut through metal and plywood with ease
  • 3-in-1 tool with all necessary accessories
  • Durable and strong
  • Precise and efficient cut
  • Power cord has a 7 ft length

Jamb Saw Brands:

Jamb saws being a staple with professionals as well as avid DIYers, many manufacturers have come together to offer products that are highly efficient and convenient.

That said, not all products are the same and certain jamb saw brands stand out amongst the crowd because of user-friendly features and versatility. The most popular brands for jamb saws include:

  • Crain
  • Irwin Tools
  • Roberts

One can also buy jamb saws from manufacturers like Kraft Tool, QEP, Bon Tool, etc. if one is looking for extremely pocket-friendly options. For versatility, tool kits from Rockwell, Dewalt, etc. are the best pick.

How Much Do Jamb Saws Cost?

Jamb saws are available at a variety of price choices and your budget and requirement will be the best determining factor for the best jamb saw. From cheap manual models priced at about $20 to robust power tools that are available at $400 or more.

It is quite understandable that a $20 tool will not be as powerful as one that carries a price tag of a few hundred dollars, but these tools will do quite a good job if you have simple tasks at hand.

If you are not on a tight budget, you can buy a tool kit that will offer you a variety of cutting and sanding choices.

Things to Consider Before Buying Best Jamb Saws:

Buying a jamb saw must be isn’t a big deal, but choosing the right one needs some research on your part. An unwise or ill-informed choice may ruin your project or make things difficult for you. So, here are a few things that you need to consider before zeroing in on a final product:

Manual or power

Jamb saws can be both manual and electric. While manual jamb saws are very cheap, they aren’t as easy to work with like those that are electrically powered. Using them will require a lot more effort and cuts may not be as precise as a power tool.

If you have a one-time job, a manual jamb saw may be good, but if you are a pro or want to work often, a power tool is an ideal choice.

Blade quality

This is a very important factor for anyone looking to do a clean job. Good quality blades will not only ensure clean cuts but also guarantee that they do not break down under duress. Steel blades are the best choice for the purpose.


Quality blades aren’t the only thing that you should be concerned about. The product, as a whole, must be durable too. This means that you should look for a product that has a sturdy handle, powerful engine, durable casing, and a long manufacturer’s warranty.


This is an important area of concern for those looking to buy an electric jamb saw since manual models offer limited adjustability. If you are buying an electric model, make sure that you choose one that gives you total control over cutting depth and height. With this adjustability, you will have precise cuts.

How to Use a Jamb Saw?

To get the desired result, it is important that you know how to use your jamb saw. Though it is not rocket science, care must be taken before you use the saw to cut. Adjusting the blade height according to the flooring material is important.

You should also ensure that the depth of the saw blade is a bit more than the jamb. Before you start cutting, make sure that you check the position of the nails.

Nails can hamper your saw blade; so better avoid it. Before cutting, allow the saw to run for a few minutes to control the speed.

Related Resources: