Carbide Burrs on 1/4″ Shanks– Solid Carbide Burrs– 1/4″ Carbide Burrs on 1/8″ Shanks– Long Shank Carbide Burrs– NF Carbide Burrs– Carbide Burr Sets– End Mills– Accessories One of the more versatile, but often underappreciated tools out there is the die grinder. If you aren’t familiar with these tools, don’t worry because I imagine you aren’t alone in that regard. Even if people have heard of the name, I think that many people don’t actually know quite what these tools do. Carbide Rotary Burrs, often referred to as rotary files or die grinder bits are used for cutting, shaping, and grinding, and for the removal of sharp edges, burrs and excess material (deburring). These aren’t the ordinary bits that you’d use in drills and impact drivers. They’re made of tungsten carbide, an alloy of tungsten and carbon and exhibit exceptional properties. The alloy is up to three times as hard as steel and has the highest compressive strength of any known metal.

Carbide Burrs also perform better at higher temperatures than high speed steel cutters so you can run them hotter, for longer.Double-cut burrs for use on non-ferrous materials and plastics tend to have wide chip space and are often referred to as Aluminum cut. They also make easy work of both hard and softwoods. Surpassed in outright hardness only by natural and synthetic diamonds, the bits exhibit substantially longer run times than comparable burrs optioned in HSS steel, won’t show signs of wear or metal fatigue due to high working temperatures, and can be used without issue at real high RPMs. Who Are They for? They are used in the aerospace, automotive, dental, metal sculpting, and metal smith industries; to name but a few. Bits attached to the end of die grinders and other rotary tools are used across a range of varying professions and fields. Most often this means anyone working with metal and wood. They are basic necessities for metalworkers, welders, smash repairers, tool makers, plumbers, and mechanics, as well as woodworkers, carpenters, joiners and construction workers.

However, there are some differences to keep in mind. First off, Dremel tools are generally smaller than die grinders. Dremel tools are a lot easier to hold in your hand and a lot easier to use with only one hand. Die grinders are bulkier, larger, and require you to keep a much firmer grip on them, or you could end up losing control. However, there are some downsides to pneumatic die grinders. For starters, the fact that you have to lug around an air compressor and all that comes with it (hoses, tank, etc.) when using the tool makes it very cumbersome to use, especially if you are in a tight space. Likewise, if you don’t already own an air compressor, then getting one that is also compatible with your tool can be both expensive and a hassle. Fig.1 The straight grinder cannot reach the hole since the gap between the plates is less than the body length of the tool.

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Before the arrival of high precision machines such as CNC milling, EDM Spark Erosion, and EDM Wirecut it was common for the die makers to grind and match the profiles of the mating parts manually. As you know, it is tough to remove material from hardened tool steel with a conventional hand tool such as a file. The die grinder is the best tool for the job since they are small and is to maneuver.