Depending on where physical parts measure within their allowed bands, you could produce a slight clearance or a slight interference.
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However, there are legal ways to access the data: Depending on where physical parts measure within their
Standard CNC milling, turning, and general machine work. IT12 to IT18: Rough machining, drilling, and raw castings. Fundamental Deviations (Letters) IT12 to IT18: Rough machining, drilling, and raw castings
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The "IT" stands for "International Tolerance." The standard defines grades IT01, IT0, IT1, through IT18.
ISO 286 is a foundational international standard for the mechanical engineering and manufacturing sectors, defining the . It ensures the interchangeability of mass-produced parts by providing a standardized method for specifying the allowable variations in size (tolerances) and the relationship between mating parts (fits). Structure of the Standard The standard is divided into two primary parts: