What standard does Schaublin use for what they call ISO 30 Spindles

As far as I can tell there is no such standard in ISO as ISO 30. There is ISO 297:1988 (7/24 tapers for tool shanks for manual changing) which looks close from what I can see without buying it but the ISO website and the wikipedia list do not include anything called ISO 30. Is what Schaublin made the same as DIN 2080-1 without a grove or perhaps there is another standard in play such as NMTB. It seems like standards just make things more complicated as they give the false impression things are actually standardized.

I ask because I need a few tool holders for my 13 mill and am frustrated by not having an accurate search term. I was thinking I might get some Bison holders as they seem to be a good middle ground between the cheap chinese and super expensive Swiss parts. Has anyone tried Bison Type 7311 holders in a "ISO 30" Schaublin head? I can't find a dimension on the length of the end but they appear to be M12 threaded anyway.

thanks

Luke

These are standard ISO30 tool holders. Anything different from this and they are not ISO30. See if this works or contact Schaublin. Hope this helps.

ISO3 Tool Holders Made in USA - MariTool

Sorry I dropped this in the wrong group ADMIN PLEASE Delete