Product Description
Drills for metal are made of high-speed steel grade R4M4X2 and have a titanium nitride coating.
The surface of the drill has increased hardness and a reduced coefficient of friction, which significantly increases the performance characteristics of the tool
Titanium nitride coating increases the tool life by 2-2.5 times
Hex shank prevents rotation in the chuck
The set includes metal drills with the widest available sizes.
The set is packaged in a polypropylene case.