According to DIN 335C / 90° angle.

Cutting edges: 3

Deburring and countersinking in one go according to DIN74/75.

Cutting geometry optimised for easy centering, good chip removal and low vibrations.

Up to 50% longer lifetime vs. standard HSS countersinks. Requires less feedforce.

Best lifetime is achieved when used with lubricant.

Suitable for steel and stainless steel < 1100 N/mm², cast iron, aluminium and plastics.

Set includes the bits for the following screw sizes:

M3 / M4 / M5 / M6 / M8 / M10