I would like opinions on the say specific 16ER 2.5 60 ISO insert. From what I understand the 2.5 as compared to the general 1.0 to 2.5mm should be the correct form for a 2.5mm thread in shape AND depth, I assume.
I see there are many other types for example 1.0, 1.25 1.5 and so on. Anyone use these specific threading inserts?

I am turning a batch of M20x2.5 threads.

Are these fixed(?) thread inserts worthwhile?

Reading over my question it sounds a bit round and about. Hope it make enough sense.
Regards,
Tom


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