Best Angle Grinder for Knife Making

5 Best Angle Grinder for Knife Making | A Comprehensive Guide 2022-2023

Skill and perfect tools are required to create a superb razor-sharp knife. You have the necessary talent, but you’ll need a long time to investigate and identify the finest angle grinder for knife creation, which you’ll want. I will give you the best angle grinder for knife making list so that you may work professionally and save time.

We’ll show you how they can be helpful for you to achieve the perfect edge on the blades and give you a few tips on choosing the right one for your needs. We’ll also include a buyer’s guide to help you make the perfect purchase. So, read on to learn more about the best angle grinders for knife making.

Our Pick1
Best Angle Grinder for Knife Making
DEWALT Angle Grinder Tool, 7-Inch, 13-Amp (DW840)

‣Single-wrench wheel changes with spindle-lock button.
‣8,500 RPM metal grinder.

Best Value2
Best Angle Grinder for Knife Making
DEWALT Angle Grinder Tool(DWE402)

‣Next Generation 11 Amp AC/DC 11,000 RPM motor.
‣Dust Ejection System provides durability.

Best Angle Grinder for Knife Making
BOSCH 4-1/2-Inch Angle Grinder 1375A

‣Weighing only 3.75 pounds.
‣Features a powerful 6.0 AMP motor to produce 11,000 no load rpm.

Most popular4
Best Angle Grinder for Knife Making
Makita GA7021 7-Inch Angle Grinder

‣Powerful 15 AMP motor delivers 6,600 RPM.
‣Rubberized soft grip handle.
‣Rear trigger switch.

Best Angle Grinder for Knife Making
BLACK+DECKER Angle Grinder, 4-1/2-Inch, 8.5-Amp (G950)

‣Powerful 8.5 Amp Motor for fast, efficient grinding.
‣3-position side handle.
‣Two year limited warranty.

1. DEWALT Angle Grinder Tool, 7-Inch, 13-Amp (DW840)

The DEWALT angle grinder tooled 7-inch 13 amp DW 840 angle grinder comes with a 13 amp motor 8000 RPM metal grinder. Guard can be adjusted to redirect sparks away from the user. Single wrench wheel changes with spindle lock button run off of ac dc power. The 7-inch Medium Angle Grinder Tool features a 13-amp motor, delivering 2,250 MWO for the hand grinder’s various metal grinding and cutting applications.

Best Angle Grinder for Knife Making

A standalone tool, the Dewalt DW840K, isn’t available. You’ll also get a 5-inch metal cutting disc and a large waterproof carrying bag. The discs are ready to handle all heavy-duty jobs, while the case helps you bring your grinder and small tools to your worksite more easily.


  • Discs included with the carrying bag
  • Using an engine with a 13-amp motor, 8,000RPM, and 3HP
  • 90 days return guarantee


  • Incompatible Type-1 discs
  • If the bag becomes rusty or filthy, the zipper closures might become jammed

Final Verdict

  • This angle grinder is specifically designed to work in most environments, and it will perform admirably if you are on the lookout for one. However, you can be sure that it is a high-quality angle grinder because it comes from the DeWalt line of power equipment.

2. DEWALT Angle Grinder Tool, Paddle Switch, 4-1/2-Inch, 11-Amp (DWE402), Black

This (DWE402) four and a half inches (4-1/2) (115mm) Small corded Angle Grinder features three robust systems for maximizing performance such as the Dust Ejection System for preventing damaging dust from entering the grinder tool, One-Touch Guard for 360-degree rotation, and Quick-Change Wheel Release for easy wheel removal.

Next Generation 11 Amp AC, DC 11,000 RPM motor of angle grinder provides the best power to weight, size ratio available. Dust Ejection System provides durability by ejecting damaging dust and debris particles that enter the metal grinder.

Best Angle Grinder for Knife Making

The Dewalt angle grinder’s oversized brushes offer double the brush life over the previous model (D28402). The large spiral bevel gear provides long transmission life. One-Touch Guard allows you to rotate the guard in any direction with a single action.

The Quick-Change Wheel Release makes it easy to remove the tool-free wheel without a wrench. The top-mounted and protected spindle lock button ensures that the depth of the cut is not sacrificed while maintaining durability.

This power class’s unique tiny gripping surface provides the greatest attainable comfort. The ergonomics of a newly created side handle are top-notch, and the threading is sturdy. Auto-off brushes close the tool when the meetings need replacing to prevent tool damage.


  • It’s safe and convenient to use the paddle switch
  • No battery breaks
  • Flexible guard
  • The automatic off feature prolongs the motor lifespan
  • It features a toolless wheel change mechanism


  • It is fixed-speed
  • heavy tool

Final Verdict

  • The DeWalt DWE402 is a decent overall choice for most applications. This can be a great go-to power instrument if you’re looking for sharpening and knife making, cutting metal, redoing your tiles, or doing other home maintenance tasks. However, it does not have variable speed, as noted above.

3. BOSCH 4-1/2-Inch Angle Grinder 1375A

The bosch 1375 is a 4.5-inch small angle grinder with a 6A motor and eleven thousand rpm. With a 5/8 inch 11 UNC spindle and a wide range of accessories, this grinder can power through sharpening knives, metals, concrete rebar, and other materials. The spindle lock allows for quick wheel changes. During all-day work, the lock on and off switch adds to comfort.

poxy is applied to the field windings, which gives them extreme durability against abrasive dust and metal debris that can be kicked up during work. Service Minder brushes stop the tool when preventive maintenance is required, eliminating any guesswork.

Best Angle Grinder for Knife Making

To provide the maximum degree of comfort, the auxiliary handle may be shifted into two positions that are specifically angled.So, this is the bosch 1375 4.5-inch small angle grinder.


  • Affordable
  • Lightweight, Compact
  • Bosch’s Exclusive Service Minder Brush System
  • 1-year warranty


  • Hard to change the position of a guard

Final verdict

  • The Bosch 1375A Angles Grinder is a 4.5″ angle grinder that delivers great value without sacrificing performance or protection rack-and-pinion spindle adjustment key built into red nylon lock chuck housing gear reduction gears reduced noise. Not interchangeable with other models in the series.

4. Makita GA7021 7-Inch Angle Grinder

Makita is a seven-inch circular saw. The Angle Grinder features a 15 Amp motor that gives up to 6,600 RPM for quick stock removal. To enhance tool life, it has a labyrinthine design that keeps internal components isolated from exterior pollutants.

A large shaft lock allows for simple wheel changes, and the simple-to-use huge trigger switch stays on for prolonged operation. To enhance user comfort and control, the side handle may be adjusted in three different ways. There is a 7-inch screen on it. It comes with a grinding wheel.

Best Angle Grinder for Knife Making

For quieter rotations and a more efficient energy transfer, spiral bevel gears are used. The armature coil is protected from dust and debris for longer motor life by zig-zag varnish.

For longer tool life, the labyrinth design prevents debris from entering the motor, bearings, and gears. For easy serviceability, there are externally accessible brushes. For use with a different power source, an AC/DC switch is included.


  • 3 position side handle
  • Powerful grinder


  • Heavy in weight

Final Verdict

  • It’s highly versatile, has a lot of power and speed, isn’t too heavy, and can work with a variety of materials. The Makita 18-Volt Cordless Angle Grinder is our top pick. It is good for sharpening knives and other materials.

5. BLACK+DECKER Angle Grinder, 4-1/2-Inch, 8.5-Amp (G950), Orange

This compact 4-1/2″ angle grinder has an 8.5-amp motor that enables it to handle tough metal jobs with ease. This cordless grinder’s 3-position side handle provides convenience while the metal gear case extends tool life.

A metal gear case for greater durability and extended tool life is included with the Black & Decker G950 4-1/2-inch Small Angle Grinder. This grinder’s 8.5 Amp motor is optimum for a wide variety of applications thanks to its 10,000 RPM operation.

Best Angle Grinder for Knife Making

The product also includes a 3-position side handle for added comfort and control in a range of applications, an easy-to-use trigger switch (which is simple to utilize even when wearing gloves), and an extended grip with a rubber grip.

For simple accessory swaps, a spindle lock is included. The G950 angle grinder includes a metal grinding wheel, a spanner wrench, and a side handle.


  • Easy to use
  • Spindle lock, spanner wrench, and grinding wheel included
  • 3-position side handle
  • Heavy duty
  • Two-year warranty


  • Costly for some people
  • Not user-friendly

Final Verdict

  • This 4-1/2-inch small-angle grinder is ideal for sharpening knives, cutting, grinding, rust removal, and other tough jobs. While you labor, a multi-position side handle provides more cushion and control.

Buying Guide

Steps to Making a Knife

To start making a knife, you should first get some of the best angle grinders for knife making if you’re making your own tool from scratch.

If you are making a knife for hunting and survival purposes or for combat, then make it big enough to cut through skins and bones with ease. The best angle grinder for knife making should be well-balanced so that it is comfortable in your hand. If its weight can leave marks on your wrist while operating, then choose another angle grinder instead of this one.


To make a knife, you will need the best angle grinder for knife making. There are different tools and accessories that assist in making one knife at various stages of its creation, like a mold for ensuring an accurate pattern, handles nameplates to use while sharpening or cleaning (also called hone), scissors for handling materials like hiding blades, and so on.


Most angle grinder models have adjustable speed settings depending on your choice of metal hardness. It’s best to select medium or low power grinders when using mild steels, such as stainless steel knives, for craft applications where scratches might still be visible.

Below steps sketch for making a knife from the best angle grinder for knife making

Design the Blade

The final product requires careful attention to detail. The best angle grinder for knife making is made by using a variety of tools like grinding, sanding, and so on. This can either be done at home or in a workshop where there’s dedicated space for your custom sharpening tool.

Sparks Making

Blades for knife making are sharp enough to cut through a piece of leather. However, it’s better not to run the grinder continuously for the angle grinder for knife making. It takes a lot of time for the angle grinder knife making, so the blades should be sharpened often before encountering the hardest materials.

Apply Heat

The knife has to be heated in order for it to maximize its performance and get sharper and faster.

Hole Making

Optionally, you may choose to make holes in blades for easy insertion of handles and other hardware. However, this process is difficult, as anyone who makes knives will understand.

Wood Handlebar for knife

A well-made custom knife will have one metal or another used for designing blades and many other features.


The sharpening knife should be decided on your own practicality as well as your interest in making a knife. An angle grinder is one of the cheapest methods to shape knives out of steel.


1. Can you make a knife with an angle grinder?

Yes, you can make a knife with an angle grinder. However, be sure to wear safety goggles and gloves while doing so in order to avoid accidental injuries. By using the correct blade attachment (or abrasive wheel), you can create a sharp knife that is ideal for various tasks around the house or office.

Alternatively, if you don’t have access to an angle grinder, then you can use a hammer and chisel to create a rough edge on your blade. This will help when it comes time to sharpen it later on. Always be careful when working with knives – even those that are made with an angle grinder as accidents happen easily.

2. How powerful should an angle grinder be?

When it comes to grinding materials, an angle grinder is one of the most powerful tools that you can use. This machine is designed for cutting and shaping metals and other hard materials by using a high-powered rotating wheel.

Angle grinders are available in various configurations, so be sure to choose the one that best suits your needs. Some common features include variable speed control, dust extraction systems, integrated lights/lasers for precise work positioning, reach ranges up to 3 feet (914 mm), built-in buffers for easy material handling, and adjustable stops at different angles.

3. Is an angle grinder good for cutting?

A standard angle grinder is often used to cut metal, plastic, and other materials. It consists of two cutting discs that are rotated around a central shaft. This allows you to make narrow cuts or ridges in the material using consistent pressure and speed.

Always wear safety gear when using an angle grinder, including goggles, hearing protection, and sturdy clothing. And be sure to take precautions if you’re working with any kind of flammable material or gas-fired machinery.

4. Can a drill be used as a grinder?

A drill can be used as a grinder, but it is important to exercise caution. This tool can quickly become dangerous if not handled properly. It is best to use it as a supplementary tool rather than an exclusive one, and always make sure that you have the appropriate safety equipment, such as goggles and earplugs, on hand. When using a grinder, be sure to keep the work area clean and free from debris so that your drill does not get clogged up. Additionally, do not over-revolve the wheel, or you may damage your Drill bit.

5. How much does a good angle grinder cost, and what does it include?

A good angle grinder costs between $30 and $200, but it typically includes a motor, disc brake system, gardener head (for grinding large materials), and a speed control unit. It is important to pay attention to the size of the grinder you choose, as smaller ones may not be able to handle tough materials or have enough power for heavy-duty tasks.

One common mistake people make when selecting an angle grinder is buying one that’s too small or too big. Larger grinders are often better suited for larger jobs, while smaller models are ideal for more detailed work. It is also important to consider how frequently you will use your angle grinder and whether a cordless model would be preferable.

6. How to use an Angle Grinder to Manufacture a Knife?

An angle grinder is essential for knife making. You can use the grinder to make your own knife from scratch or as a backer for an already made knife. When making a custom, one-of-a-kind kitchen knife, there are certain restrictions and considerations you would want to factor into your design, like blade length, blade profile width, grind angle, and so on.

Another advantage of using an angle grinder for sharpening knives is that it saves money over buying new blades regularly.


In this blog post, we aim to equip you with the information you need to buy the best angle grinder for knife making. By doing so, you’ll be able to make the best possible decision for your needs and avoid any mishaps along the way. Keep in mind that not all angle grinders are created equal, so make sure to read reviews and compare specs before making a purchase. Thanks for reading.

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