Topics include, Machine Tools & Tooling, Precision Measuring, Materials and their Properties, Electrical discussions related to machine tools, setups, fixtures and jigs and other general discussion related to amateur machining.
Funny that type of insert was just linked to. I watched a YT video yesterday showing a new to me type of Seco indexable round inserts https://www.youtube.com/watch?v=KbeImfp-7qQ Industry appears to be moving towards that type of indexing and locking method as something fairly new. They probably work really well, but I bet the inserts and tool holder to use them in have a price to match. Simple ACME carbide tips are expensive enough.
I read an article on those round inserts a few weeks ago, but didn't get to see the back of them, so I wasn't sure how they were "indexable". It makes sense now, though. The ISCAR linked earlier reminds me of the old threading, and I suppose other forms, tools that have a round profile that is rotated as it gets resharpened. I have had to rely on custom ground HSS threading tools for single point threads for which I don't have a tap, or for "special sizes". These ISCAR inserts might be small enough to replace some of those tools.