Re: [CAD_CAM_EDM_DRO] RE: General Tool Life Question

> I am not an expert, but in general High Carbon Steel taps should

> be used for hand tapping. They are harder than HSS taps, but they can lose
> their hardness more easily when overheated. HSS taps are designed for high
> speed machining where greater heat is generated. For hand tapping, High
> Carbon Steel taps should actually last longer than HSS taps. The opposite

> true for machine tapping, although High Carbon Steel taps can also give

> a lot of mileage on machines if you keep the heat under control.
>
> Hope this makes sense.
>
> Deon Styger.
> >