The 9 Best Rotary file Bits For Metal (2023 reviews)

Asieg tool rotary file bit for metal is the epitome of what a great bit should be. Electric die grinders are big and bulky but, if you don't have space limitations, they work fine. They can be used with a cordless drill but are much more effective in a high speed die grinder. A double cut carbide burr is the most popular cut and will see you through most applications. They can be processed into a variety of high-precision shape mold cavities.

These have more cutting edges and will remove material faster. The bits remove metal without effort and stay sharp. It is used for metalwork, engineering, tool making, model engineering, jewelry making, wood carving, welding, chamfering, casting, deburring, grinding, cylinder head porting and sculpting.

Why We Like This:

Different selection of bits for different applications
Air-powered die grinders are really compact
Works great to de burr steel

Best For enlarging holes: JESTUOUS One Bit

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Jestuous has been making great bit for years, thanks to a combination of clever design and appropriate materials. These little babies really get the job done and with no apparent wear to them whatsoever. These are made for metal, but you need a set designed for wood working. It is used to grind down 70k weld beads using a round burr and grind 1/4" thick steel pipe using a cylindrical burr with no problems using an air die grinder at 20, 000 rpm.

These are double cut burrs and intended for hard metals. The Shanks fit firmly in the grinder chuck and do not spin or come loose. These bits are designed for metal. It works well for metal. It is made of heat-treated tungsten carbide material, sintered and machined from 100% new raw tungsten carbide.

Why We Like This:

Cut smoothly and quickly through tool steel using a 20, 000 rpm die grinder
Nice set for cleaning out holes, etc
Best bits for porting cast iron heads

Best For fine or intricate Wood Carving: Lukcase Rotary file Bit For Metal

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Best part: lukcase rotary file bit for metal costs comparatively low and it is available to ship in 24 hours. It is perfect for a dremel type of rotary tools. The working life of these solid rotary burr is 10 times longer than high. These can do subtle shaping and smoothing and cleaning up. The circular bit and cup bits make decent eyes. These are great for removing smaller amounts of wood stock and great for detailing wood.

These are normally used in a lighter weight hand held and higher speed chorded or non chorded rotary tool. The 10 different head shape meets your different needs of polishing, carving, drilling, engraving, grinding, and removing.

Why We Like This:

A steady smooth stroke with light to medium pressure
Wood working to smooth out bonded corners
Speed steel and 200 times longer than grinding wheel

Best For stone: Tiantac Rotary file Bit For Metal

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The tiantac rotary file bit for metal might be a relatively new release, but it's still nothing short of impressive this year, thanks to multiple price cuts and added new features over the past few months. This carbide burr setrotary bit set is made of premium tungsten carbide steel which has a long working life, shank diameter. It can be used on metal and no signs of wearing down. The Dremel rotary tool has a smaller arbor than some other brands. This set includes everything you need for drilling, engraving, grinding, polishing and removing sharp edges, being suitable for wood, stone carving, metal working and die grinders.

These bits are great for digging out metal. They tear into the material and so far have done a fantastic job with little to no signs of wearing down. They are very sharp on arrival,no complaints there. These should be useful for Dremel tasks such as engraving, enlarging holes and of course deburring.

Why We Like This:

Tungsten carbide for carving hard products
Good for wood shop small jobs
Sharp, durable and even cut mild steel with ease
Selection of shapes is just enough to hit every angle

Best For cleaning up welds: YUFUTOL Rotary file Bit For Metal

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We would, of course, be remiss if we didn't mention yufutol rotary file bit for metal for regular usage. This bit takes care of any strike adjustment, even in the commercial sector where strike plates can be 1/4 inch grade 3 steel. It is an essential bit for metalworker & diycarving fans, easy to grasp and use, safe and reliable. It is made of heat-treated tungsten carbide yg8that lasts 10 times working life than hss, suitable for machining variouskinds of metal material including hrc65 hardened steel.

This tool has no problem removing the required material and leaving a nice surface finish. The sharpness, sturdiness and quality are excellent. It is great for cleaning up welds.

Why We Like This:

Handy tool for a variety of uses
Must have for anyone who files metal regularly
Shows no wear or chipped cutting edges

Best For All skill levels: Oabres Rotary file Bit For Metal

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We know from years of feedback from readers, customers and amazon sellers, what most people want in a convenient and appropriate bit. The oabres rotary file bit for metal is exactly that - it's a simple bit that hits all the right notes. It is made of high quality heat-treated tungsten carbide that hardness can reach to hrc70, sharp and sturdy. It improves ease of control and it is guaranteed to withstand the test of time. The Double-cut style has rows of cutting teeth cut in two intersecting directions for fast material removal and a rougher finish.

These are used primarily in the shaping and making a small hole not to be used for a milling process. It can be used in machining iron, steelcasting, carbon steel, alloy steel, stainless steel, hardened steel, copper, aluminum etc. It cuts nice and fast, and the beefy bit will not wear against any wood. The tips are brazed into the shaft, these are NOT solid carbide. This is good for wood work.

Why We Like This:

Hold up well to a variety of materials
Nice carry case and very strong bits
Good brand reputation

Best For No reason: BOOLY Rotary file Bit For Metal

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Booly offers a variety of bit for personal choice and yet maintaining quality in all the variants. These double cut tungsten carbide die grinder attachments are an irresistible delight. It is made of tungsten carbide which boasts a level of hardness. It makes your work stand out with the precision and accuracy. It has design for steel, stainless, iron & more. This set is suitable for use with any power drill-chuck which suitable for a (6mm) 1/4 inch shank size, and not fit for a dremel. It is packed professionally, and very convenient to choose the right tool from the box. The screw extractors are a nice bonus.

Why We Like This:

Exceptionally durable tools in a very nice case with a nice bonus
Does a great job and durable
Lot of satisfied buyers

Best For FRP composite laminates: JESTUOUS Rotary file Bit For Metal

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Not everyone likes to purchase bit for their daily purpose, but the jestuous rotary file bit for metal would be an anomoly. It fits most power pneumatic air die grinder tools. These things are very strong steel, and at high rpms (die grinder), a piece of this flying off, and hitting you anywhere, is going to do major damage. It includes sa, sc, sd, sf, sl and se type burrs and good for woodworking drilling polishing and engraving and porting milling.

The cutting head, and the shaft are one piece, and are very very strong. It is great for frp composite laminates. It is perfect for opening holes, or porting heads on ferrous materials.

Why We Like This:

Keep your eyes and belongings away from the working bits, better wear goggles
Nice assortment of bits, and holder is well made
Good brand reputation

Best For higher RPM: Osidu Rotary file Bit For Metal

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Next on the list, we've got yet another bit that manages to win our hearts. It's the osidu rotary file bit for metal and it's widely considered as bit that has the most suitable features. These are great grinders, as tunsten carbide is far superior to high speed steel or stones. It can process a variety of high-precision mold cavity (including all sorts of hardened steel) and non-metal (such as marble, jade, bone), and the machining hardness can reach to hrc70, it can replace petiole small wheel. It is easy to use, safe and reliable, and can reduce labor intensity.

These rotary files come quickly. They are packed in individual plastic storage tubes. It is designed for higher rpm’s in an end grinder.

Why We Like This: