Tag Archives: BICONICAL

POLLEDRI NEWS FOR 2018, ANTI-VIBRATION COUNTERSINKS From diameter 6.3 to diameter 31.0 ASYMMETRICAL GEOMETRY OF THE CUTTING EDGES Decreases the axial force compared to the traditional countersinks, reducing the tool vibrations and giving a better finish of the countersinking RECTIFYED RAKE ANGLE AND DIAMETER The rake angle rectifyed to 20° and at constant value, grants […]