There are total 10 pieces taps in different metric sizes from M1 to M3.5(M1 M1.2 M1.4 M1.6 M1.7 M1.8 M2 M2.5 M3 M3.5), and with carved marking size on the corresponding shank.
This thread tap set metric mainly used for clocks and watches, and low hardness of wood and soft metal and plastic hole processing
Made of high speed steel with high wear and heat resistant, durable and with opening direction sign on the box.
Standard metric thread and smaller thread tab design, clear and tidy, no burr, provide rapid chip removal for efficient threading and smooth tapping.
Thread pitch of straight flute tap is as follows: M1 x 0.25, M1.2 x 0.25, M1.4 x 0.3, M1.6 x 0.35, M1.7 x 0.35, M1.8 x 0.35, M2 x 0.4, M2.5 x 0.45, M3 x 0.5, M3.5 x 0.6