HSS + TiN = hardness 63 HRC, to machine steels up to 800 N/mm², copper, brass, bronze, aluminium up to 6% Si. The TiN coating hardness 2300 HV increases the tool life by increasing wear resistance.
The magafor centre drill with radius thanks to its special profile, is more robust than the 60° centre drill :

the radius eliminates the risk of breakage

it provides an exact bearing

it serves as a protective chamfer.