Article no.: 30117...
Countersink 90° with irregular pitch, DIN 335-C

Article description

Description:
all sizes with 3 cutting edges and highly irregular pitch, resulting in smooth running, excellent roundness and chatter reduction giving the highest surface quality
special HPC-TiN coating
for very high tool life in almost all materials
greatly reduced axial and radial forces
for countersinking to DIN 7991