Which Speed Angle Grinder is the Best for Knives

Selecting a speed angle grinder is a challenging decision for both professional bladesmiths and enthusiastic beginners who seek razor-sharp edges.

In the market, you will find ample options, each having its own specifications and features, making it quite challenging for the customer who wants to choose the perfect one.

So, making hustle a little less, we bring you some amazing speed angle grinders that will help you shape your knife. It also gives you an idea about how to use angle grinder.

We will discuss all the necessary things like features, pros, and cons of the machine so that you can find out which satisfies your needs.

1. DEWALT XR Li-ion Cordless Angle Grinder

DEWALT XR Li-ion Cordless Angle Grinder

This is an 18V 125mm brushless motor and ensures powerful performance for the customer. The great thing it also pays attention to safety with its performance and protection shield. It can be included in one of the best angle grinders because of its reliability and durability.

The advantage of this angle grinder is that it is cordless, light, easy to use, and has good battery life, and the disadvantage is that it does not include a battery. It also includes an e-brake that helps stop the wheel and mesh covers that prevent dust from entering the motor.

2. Bosch Heavy-Duty Corded Electric Grinder

Bosch Heavy-Duty Corded Electric Grinder

This electric grinder comes with 750W and high-power torque, which helps deliver exceptional performance. The only disadvantage of it is the limited mobility due to the corded nature.

The ergonomic design ensures a comfortable grip, allows an improved airflow, and controls the temperature flow. The dust-proof air inlet and cotton thread head define its durability and longevity. It also includes some special accessories like a protection guard, wrench, and auxiliary handle.

3. Stanley Small Angle Grinder

Stanley Small Angle Grinder

As the name suggests, it is a small angle that can be used for small or medium-duty applications. The main advantages of this small grinder are that it has an ergonomic design, provides high performance, and is durable because of its high-quality commutator and durable carbon brush.

The disadvantages are its limited mobility due to cable and comes with a short warranty period. This device has a powerful motor of 900W, so you can use it for high-duty applications if you want.

4. Black+decker Small Angle Grinder

Black+decker Small Angle Grinder

Moving on to another small angle grinder. The motor used here is extremely powerful and can be easily used for grinding, cutting, and polishing. The 4-inch cutting wheel offers versatility and is what makes it unique from others.

The pros of this angle grinder are that it has a dust-sealed switch, comes with an ergonomic design, has a spindle lock-on mechanism, and is versatile (it can be used for cutting, polishing, and grinding). The cons are limited movement; most of the time, it is suitable for home and DIY.

5. Ibell Angle Grinder

This can be counted as a high-performance tool that comes with an 850W copper armature motor. It goes up to the speed of 11000 rpm, ensuring grinding and cutting of the metal.

The advantage is that it comes with a lock button, is versatile while functioning (can do both cutting and grinding), and has a spindle lock mechanism in it. Coming to the cons is limited movement and providing a single grinding wheel at a time. This is rated at 230V -50Hz and can be used for both professional and DIY use.


These were some of the speed-angle grinders that will help you sharpen your knife. Keep in mind that high-speed grinders require more skills while low-speed grinders provide greater control, which is the best choice for beginners.

You can select your speed grinder based on key attributes like motor power, speed control, disc size, and durability.

Which of the above speed grinders you like the most? Let us know in the comment section below.

Frequently Asked Questions

Which Speed is Accurate for Cutting a Metal?

The speed of the grinder always depends upon the type of metal you are using. If you are cutting hard metal, then a high cutting speed is required, and vice-versa with soft metal or not-so-hard metal. The exact speed also depends upon the size of the grinder, but still, the speed should be between 7,000 and 11,000 rpm.

Can I Sharpen My Knife Using a Speed Grinder?

Yes, of course, a speed grinder can also be used as a knife sharpener. But the process is quite dangerous, so either consult a professional or let the professional handle the situation. Remember not to do it yourself as it is dangerous.

How to Use an Angle Grinder?

To use a speed angle grinder, you have to hold the tool with both hands in such a way that you don’t get hurt (make sure to wear gloves for safety). Now, turn by hitting the power button and operate it by using both hands.

Which Angle Grinder Blade is Best for Cutting Metal?

For thicker metal like steel pipe, angle irons, or tubing, 14-18 TPI metal blades are a decent choice. For aluminum, 8-10 TPI blade is best, and for other high-level metals, 18-24 metal blades is best. If you want the best brand cutting blade you can go for MK Morse and Diablo.