Conical countersink and deburring countersink, with uneven cutting edge pitch, 90°
Design: with radial grind of the step, uneven graduation of cutting edges and straight flutes. In addition, thanks to the angle of attack and application, they are suitable for most of the materials used.
Application: the very uneven graduation of the cutting edges ensures extremely calm work during countersinking, so that the surface is clean and the load on the cutting edges is reduced to a minimum. For countersinking and deburring under counterhead screws according to DIN 963, DIN 964, DIN 965 and DIN 966 in one pass.