Metric Coarse Thread Hand Taps 3's/Set

The hand taps most commonly employed today areused in conjunction with a machine, e.g.a tapping machine.rather than by hand. Thus, it is more common to employa tap with a cutter shape most suitable for the conditionsof use than using in sequence,three taps,i.e.the tapertap, plug tap and bottoming tap. Two kinds of materialsof Carbon Steel and High Speed Steel are available. Whenordering,please specify which one.