Cobalt high speed steel end mills with drilling point and prolonged helical for pvc and aluminium. Right-hand rotation and left helix perfectly keeps front face from damages.
Double-threaded helical milling cutter RUTOOL AK unlike the standard milling cutters much easier comes into the profile. Double helix improves finishing. Right rotation and left-hand helix of the milling cutter ensures the ejection of the shavings down, which protects the front surface from the damages.