EXACT Threading Tap, M4 Thread, Metric Standard

Combined HSS TIN single-cut tap with spiral flute and 1/4" hex drive
Deburring zone with edge breaker
For core drilling, thread cutting and deburring in a single process
Crosswise grinding, drills do not drill off-centre — even without centre-punching
Suitable for construction steel, CrNi steel, non-ferrous metals and plastics