Carbide burs are probably the most widely used and versatile cutting tools found in just about any industry. Made of Tungsten Carbide these are primarily employed to remove burrs (the tiny flakes of metal) that frequently stick to the project piece following the machining process. Burs can be found in standard lengths long series (for tough to reach applications) as well as in miniature sizes (to be used in pencil grinders).
Features
Solid carbide tools offer long tool life and faster cutting speeds than other substrates, but they are more brittle and should provide with rigid tool holding systems
Uncoated tools feature only the base substrate without the additional treatment or coatings and they are well suited for a variety of applications
Round shanks allow use with a wide array of tool holding systems
Double-cut style has rows of cutting teeth cut in two intersecting directions for fast material removal as well as a rougher finish
For deburring, interior contour work
CUT TYPE
Singlecut
General purpose tool for cast iron, copper, brass and steels
Fairly aggressive cutting action, with higher material removal rates
This tool leaves a nice finish on most all materials, but the bite can be demanding on operators
Doublecut
For general purpose use including surefire, copper, brass and steels
The Doublecut works with a cross flute of exactly half the number of standard flutes within a opposing helix
Sliver sizing is cut down tremendously, as they are the operator fatigue through the balanced cutting forces
Lower RPMs could be utilized with little negative influence on performance
The decreased load compatible operator’s often feeding this tool more aggressively
Alumacut
Great for all non-ferrous, non-metallic workpieces like aluminum, zinc, plastic, wood, etc.
An exceptionally aggressive cutting action, with minimum potential for plugging these flutes up
Diamondcut
Is a finer cut of opposing helixes
Operating control is excellent as the biting action is fixed as is the silver size made out of it
This version is commonly preferred in shops where titanium and other difficult materials (superalloys) are being deburred
With all the teeth being smaller and a little more fragile therefore, tool life is not normally a couple of import
Fiberglass tends to cut nicely with Diamondcut
Chipbreaker
Another version of the Doublecut, it is a slightly less aggressive tool whose main objective would be to simply interupt the cut
A single, opposing helix is ground in the spiral throughout the tool, typically
Silver size goes down, surface finish decreases marginally, hand control goes up, marginally
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