DIN 9861 C
Punch with countersunk head and various reduced points.
The dimensions are shown in the table.
Types :
Type CS - square stepped shaft
Type CR - rectangular stepped shaft
Type CO - round elongated stepped shaft
Material:
HWS High alloy cold working steel (approx. 12% Chrome) / HSS (HSS steel) Vanadis 23 / CPM 10V
Hardness:
Shank: HWS 60-64, HSS 62-66
Head: HWS 45-55, HSS 45-55