COUNTERSUNK HEAD PUNCH
With heads hot-forged and annealed to DIN 9861D.
Material = high alloyed high speed steel (HSS).
Shaft and head precision-ground.
Hardness shaft 62 - 64 HRC.
Hardness head 45 ± 5 HRC.
Dimensions in millimetres (mm).
|
Dia x Length : 11.0 x 80mm
|
|
d2 : 14mm
|
