Rotary File Bit Manufacturing Expert

  • More than 11 years of manufacturing experience
  • Manufacture your rotary file bit in advanced CNC machine
  • Free-return if any complaint about the quality performance
  • Fast dispatch within 1 week against your regular orders
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Syndent Rotary File Bit

Syndent Rotary File Bit

Syndent rotary file bit, also called drill bit rotary file is made with tungsten carbide materials. And it is warmly welcomed by our regular customers in the world, mostly for America and European countries. You can replace a small grinding wheel with Syndent rotary file bit.

Our rotary file bits have not dust pollution. You will benefit from high efficiency, smooth finish, long tool life, economic cost, etc.  Syndent professionally manufactures rotary file bit and die grinder bit in the last 11 years.

SA Type Rotary File Bit

Cylinder tungsten carbide burr is ideal for contour finishing, flat surface removal.


Cylinder with end cut rotary file bit is suitable for removal contour and right-angled corners


Cylinder with radius end rotary file bit is suitable for processing contour and arc surface at a certain angle


Ball shape rotary file bit is good for machining round edge and end pre-processing before brazing


Oval shape rotary file bit is suitable for round edge removal


Tree with radius end rotary file bit is perfect for grinding round edge in long and narrow positions


Tree with pointed end rotary file bit is used for machining round arc contour in long and narrow places


Flame shape rotary file bit is good at round edge machining


Cone shape rotary file bit functions like a countersink. Suitable for chamfering inner hole



Taper with radius end rotary file bit is widely used for round contour removal in narrow positions, and surface machining



Taper with pointed end rotary file bit is suitable for narrow position deburring and counter surface machining


Inverted cone rotary file bit is suitable for rear-side chamfering from the inner side.


Why Syndent Rotary File Bit

Syndent is skilled in producing all rotary file bits with top-grade cobalt carbide in the market. Our rotary file bit is best applied for deburring, carving, shaping, and for the removal of sharp edges or corners, burrs, and excess material.

You can install Syndent rotary file bit to all popular electric grinders including Dremel. Syndent mini rotary file bit performs very well on fine carving resin, plastic, ceramic, soft metal, stone, fine polishing wood, and bone, etc. Special custom flutes of die grinder burrs upon your hardened material are acceptable. For the industrial purpose, you should use big size rotary file drill bits for metal, alloy steel, aluminum, welding slag, etc

Syndent after-sale policy provides free-return toward complaint of rotary file performance. You can focus on your marketing only. Syndent guarantees your rotary file bit quality well.


rotary file bit material

Syndent will check the raw material specifications of rotary file bit before production.

rotary file bit brazing

Syndent automatically brazes rotary file bit with silver in a low temperature.

rotary file bit balancing

We must make the rotary file bit jumping test after brazing. The tolerance is less than 0.1mm

 rotary file bit bending

Syndent examines the hardness of the rotary file bit shank after brazing and tests the bending strength

rotary file bit shaping

Solid rotary file bit needs a shaping process from the carbide rod materials

rotary file bit toothing

Syndent CNC grinds the rotary file bit teeth after the tests approved

rotary file bit polishing

Syndent polishes the rotary file bit shaft, and its brazing position

rotary file bit packaging

Syndent makes your logo on the rotary file bit, and stick your own label on the case.



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Your Best Supplier of Rotary file bit

Syndent manufactures your rotary file bit in the advanced 6 axis CNC machines. We complete all the right and left flutes in one time. At the same time, we lower the grinding wheel speed as slow as possible. It offers you the best consistency rotary file bit. Also, we keep the sharpness flutes for your aggressive stock removal.

Syndent has a wide variety of rotary file bit, including single cut rotary file bit, double rotary file bit, aluminum cut rotary file bit, pencil grinder bits, rotary file bit set, etc.

Syndent rotary file bit is easy to use, stable and sharp. Our rotary file bit is ideal to reduce labor intensity, make mechanical parts chamfering, rounding, and groove processing. Due to our specific geometry design, Syndent rotary bit will not clog, and easy to deliver the removal material. It makes your high work efficiency and saves your precious time.

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