Straight flute taps dimensionally same as hand taps & with a lead chamfer of 1.1/2 threads. The flute & rake angle are designed as per application.
These Taps are recommended for tapping on grey cast iron, S G iron & steel. The chips produced are short or powder type with the help of special design provided in the tap
Advantages
Can be used in both blind holes & also in through holes
Chips are pushed upwards due to spiral flute – Chip clogging avoided
Full thread depth can be achieved and this design prevents tap breakage