Article no.: 30141...
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
for very high tool life in almost all materials
greatly reduced axial and radial forces
for countersinking to DIN ISO 7721 and DIN 7991