Tap Hand Metric Coarse M39, P4.00Mm 3'S High Speed Steel, Make:Adison, IMPA Code:631085

Metric Taps are used to cut and restore internal threads precisely. A tap is used to form the female component of the assembly, as in the case of a nut or socket. T-handle wrench are used with a tap. Taper taps have a more pronounvd taper to their cuting edges. Grants a more gradual cutting action. Mostly used when the material is difficult to work with. Also used if material is prone to breakage