Drill bit cobalt Herman DIN338 HSS-Co 4,2 mm
High quality brushed twist drill made from HSS steel with additon of cobalt. The drill is fully sharped and very precise.
Application of Herman HSS-Co drill: for alloyed and unalloyed steel hardness up to 900 N / mm², stainless steel, industrial steel, corrosion resistant steels.
diameter (mm): 4,2
tip angle (°): 118
hardness (N/mm²): 900
produced: Herman, EU