Uxcell a13062900ux0255 70mm Length Straight High Speed Steel 8mm x 1.25mm Metric Taper and Tap

Specification:
Description:
Features: Straight threaded flute, Taper cutting edges and 8mm diameter flute, 1mm flute teeth pitch.
Suit for machine use to cuts a thread on the inside surface of a hole, creating a female surface which functions like a nut.
A taper tap offer a very gradual cutting action and is most often used when the material to be tapped is difficult to work (e.g., alloy steel).