The Top 6 Best Hole Saw For Cutting Thick Metal [in 2021]

best hole saw for cutting thick metal

Every now and then, there is a need to cut through a thick metal sheet at home or in factories and industries. A hole saw remains one of the best pieces of equipment that allows you to do this.

One reason is the efficiency it affords, and another is the ease with which it allows you to cut through thick metal sheets. Knowing the importance of a hole saw, you may want to get one for immediate or future use. Thus, the question remains, ‘which hole saw is the best buy?’ and ‘what do you consider before getting one?’

This article seeks to answer these questions. In this article, you will get a detailed rundown of the best hole saws in the market. You will also get an explanation of the considerations you should make before getting a hole saw, either for personal or industrial use.

Understanding a Hole Saw and It's Important Components

Another important aspect of getting a hole saw is understanding how its components work. This will not only help you make an informed buying decision, but you will also find the use of the hole saw easy and simplified.

Important Parts of a Hole SawImportant Parts of a Hole Saw

The following are important components of a hole saw and their working principles.


This component is also known as a mandrel. It has two functions in a hole saw. The first one is to connect the drill chuck and the hole saw. The second function is to hold the pilot bit. Both of these functions are important as they are integral to the operation of the hole saw.
The arbor is usually made out of strong steel and alloys. This is because they need to be durable as their operation lasts through numerous saws.

Choosing between an attached or detachable arbor

Both of these arbors have their inherent benefits. You have to decide which benefits appeals most to you. The detachable arbor means that you can use the arbor with any hole saw. You do not need to get a new arbor for every hole saw you get.
On the other hand, an attached arbor eliminates the stress of detaching and re-attaching arbors when using a new hole saw.

Pilot Bits

The primary function of pilot bits is drilling holes in metal and other materials. The drilling activity’s oscillating movement in most hole saws makes the pilot bits an important part of the hole saw.

Top Rated 6 Hole Saw Detail Reviews

Many hole saws out here get labeled the best hole saw. However, it is common knowledge that not all of these hole saws are that good. Some are better than each other.

The following is the review of the best hole saws for cutting thick metal.

1. Milwaukee 49-22-4185 Professional Ice Hardened Hole Saw Kit - 28 Piece

best hole saw kit | best hole saw for cutting stainless steel

This hole saw is a whole new generation of metal cutting saw, possessing features that allow it to cut through metals and wood with little or no hassle. One of the saw’s impressive features is its cryogenic hardening process, which results in a stronger and lasting metal cutting saw. The hardening process replaces the conventional heat treat process. Thus, the hole saw can overcome the problem of the surface metal wearing away.

Another important feature is the use of Matrix II bi-metal for its construction. This feature allows for a durable, accurate, and rapid cutting process.


What Needs to Improve:

2. Klein Tools 31872 Hole Cutter, 4-Piece Carbide Hole Cutter Set

best hole saw kit | best hole saw for cutting stainless steel

The maker of this hole saw has a reputable name in the industry. Known for manufacturing tools and equipment that sees to the demand of people, there is no doubt that this hole saw will remain one of the best in the market. The hole saw cuts easily into steel iron brass and copper sheet. It also allows you to work with steel in different forms such as stainless steel and mild steel.

Features of the hole saw includes an integrated flange system that prevents the over-drilling of metal sheets. There is also a split point pilot drill whose work is to prevent any form of bit walking. The carbide hole cutting range of the hole saw is between 7/8 and 1 3/8.


What Needs to Improve:

Best Hole Saw Buyer’s Guide

Knowing the best products on offer in a market is not enough to make a buying decision. You need to buy products that work perfectly for you. As a result, you need to consider some factors while making this decision. Some of the factors are as follows:

Manufacturer’s Reputation

In the business world today, brands mean a lot. One of the major indicators of a quality product is the reputation of the manufacturer. Brands that are popular or reputable, in most cases, are usually safe as their popularity stems from past quality products.

Thus, when you go for reputable brands, you are sure to get excellent customer service, quality product servicing (when needed), and many other benefits. Knowing a reputable brand is easy. You can go through customer reviews or do some research as to their past offerings. These steps will help you identify manufacturers with solid reputations.

Cutting Ability/Effectiveness

This factor is a no-brainer. The purpose of having a hole saw in the first place is to cut and drill holes into metal sheets and other materials. Thus, you should be sure that the hole saw you are getting is capable of cutting or drilling the type of material you handle.

Also, the cutting efficiency of the hole saw matters. Some hole saws get dull or inefficient with time. It would help if you avoided these types of hole saw. Ensure that the hole saw you possess strong teeth for cutting your preferred materials without damage to the saw itself.


One thing is sure; you don’t want to go back searching for a new hole saw days or weeks after getting one. This is why you need to go for durable hole saws that will last you for a long period. You can check for the durability of a hole saw in two ways.

The first one is to check the product’s warranty period. As a rule of thumb, most durable products made from quality materials usually have a longer warranty period. The second method is to read up on past customers’ reviews. This review will give you an insight into the durability of the product in recent times. However, you should not rely entirely on customers’ reviews as some manufacturers pay for fake reviews.

These are some of the important considerations you need to make when purchasing a hole saw. Using these factors as a guideline will help you select the best and ideal hole saw for your personal or industrial use.

Frequently Asked Questions (FAQ)


What is the best hole saw for metal?

It is difficult to single out a certain hole saw as the best. The decision will depend on numerous factors which include its cutting efficiency, durability, and many other factors.

However, the Milwaukee 49-22-4185 All Purpose Professional Ice Hardened Hole Saw Kit 28 Piece offers excellent drilling and cutting operations on metals.

How thick of steel can a hole saw cut?
Hole saws can cut steel that is as thick as 25mm. This thickness is the highest we have seen, and only hole saws with a carbide tip can effectively carry out the cutting.
Who makes the best hole saw?

The answer to this question is debatable as there are numerous makers of quality and excellent hole saws.

However, the manufacturers of hole saws reviewed in this article rank top among the best hole makers. These manufacturers are DEWALT, Milwaukee, The Klein Family, and many others.

What Is a Hole Saw?
Hole saws are tools that allow you to drill holes and cut materials into different sizes. The hole can work on these types of materials; metal, steel, wood, and plastic sometimes.
Can Hole Saws Cut Through Metal?
A good hole saw should cut through metal easily. While most hole saws cut through softer materials such as plastic and wood easily, the good ones also cut through-hardened steel, mild steel and other types of metal.
How Is a Hole Saw Measured?

Two major measurements matter when it comes to hole saws; bit diameter and cutting speed. The bit diameter is the size of the hole saw, while its cutting speed refers to the speed at which the saw cuts through certain materials.

You can measure the bit diameter in millimeters (mm), and the unit for cutting speed is meter per minute (m/mins). The cutting speed of a hole saw depends on the material to be cut and differs from one material to another.

What are the Factors to Choose a Perfect hole saw for cutting thick metal?

The factors to consider while choosing a perfect hole saw are numerous. However, the following are the most important considerations; cutting efficiency, warranty, manufacturer’s reputation, and durability.

If you can ensure that the hole saw you are to buy passes the aforementioned considerations, you can be certain that the hole saw you would be ideal for the use intended.

Does It Matter What Material the Hole Saw Is Made of?
The material used to manufacture the hole saw do matters. The material affects the cutting ability of the saw and its durability, in most cases.
What are the Uses of Hole Saw Kits?
Hole Saw kits contain hole saws of different sizes for cutting and drilling metals and other materials.

Final Words

When it comes to cutting metals or drilling holes in metals, half of doing the job right is getting the right tools. Having the right tools make your work easier, faster, and even neater. However, getting the right hole saw is not as easy as it sounds, given the number of hole saws out there in the market.

To help you select the best hole saw, we highlighted some of the important considerations you should make when purchasing your hole saw. These considerations include the ability of the hole saw to cut, its durability, and the reputation of its maker.

We also examined some of the frequently asked questions about hole saws. These questions will give you insight into the basics of a hole saw and things you need to know before getting a new one. Lastly, we reviewed six of the best hole saws in the market.

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