 Tough Tungsten Carbide Burs  
PFERD » Burs & Hole Saws » Tough Tungsten Carbide Burs
For heavy-duty applications in shipyards, foundries and steel construction, PFERD has developed two new special cut patterns for its tungsten carbide burs. The new 3R/Double and 3RS/Diamond cuts represent a new PFERD product line designed especially for tough operating conditions. These tungsten carbide burs are characterized by their exceptional impact resistance and performance. The new cuts are ideal for all uses involving high mechanical shock or impact loads. Susceptibility to tooth chipping/breakage, splintering and bur head cracking has been effectively minimized. Even when milling at low RPM with an only moderately powerful machine, the occurrence of tooth failures is markedly reduced. Like all other PFERD quality burs, our 3R and 3RS cut types distinguish themselves by their perfectly matched tooth geometry, number of teeth, helix angle, rake angle, and concentricity. Thanks to a very high stock removal capability over the entire service life, these tools deliver outstanding results in minimum time. The new 3R and 3RS cuts are the latest addition to the existing PFERD range. They are not intended as substitutes for our proven standard cuts for general-use burs.
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