Effect of Nitriding Treatment

【英】困ったときの知恵袋詳細

Cutting Taps Specification of tools

I am tapping in cast iron. I use FC-HT hand taps for cast iron for Metric threads, but now we received an order to make the Unified thread 3/8-16UNC. I'm going to use HT because FC-HT taps for Unified threads are not available.
What effect does the nitride treatment added to FC-HT taps have? Can you add the nitride treatment to other taps?

Nitride treatment is a kind of surface treatments that increases the surface hardness of the taps and improves wear resistance. We can add the nitride treatment on standard HT taps. Since the tool life can be greatly improved, please contact our sales support center for more information.

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