Quotes from Modern Machine Shop July 2018, pp 64+
How many of these quotes apply to about 1985?

Thread milling is becoming more popular ... most new CNC machines now offer helical interpolation as a standard feature ... [which they then have to explain]

the XYZ cuts essentially one thread at a time in a continuous helical motion into a hole ...

makes thread milling more attractive even though thread mills are more expensive than taps ...

Always use cutter compensation when thread milling. This allows you to control the precise diameter of the thread ...

ER collets should not be used for thread milling.

Don't spend time writing your own thread milling routines [they typically take me less than 1 minute to write.]

The mind boggles. Absolutely boggles. Prehistoric dinosaurs.

Cheers
Roger
(Mach3 .062)

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