Volkel M20 x 1.5 HSS-G Serial Tap Set Left Hand
Serial taps comprise of one or more undersized roughing taps which remove most of the material before final sizing with a finishing tap.
Some reasons for using serial taps are:
The roughness of the material being tapped.
The amount of material to be removed could cause swarf choking with a single tap.
The very small tolerance on pitch diameter.
An extremely good finish required.
Made in Germany
Din2181 HSS-G, Tolerance ISO2/6H
Overall Length 80mm
Flute Length 22mm
Shank Diameter 16mm
Square 12mm
Application:
For General Use
Non abrasive material up to 900 N/mm²
Unalloyed and low alloyed steel
Suitable for tapping through and blind holes
For tapping by hand
Part Number 26040.