2768-mk !!hot!!: General Tolerance Iso

The designation consists of two separate parts that define the accuracy level for different features:

For a side up to 100mm, the limit is 0.4mm. general tolerance iso 2768-mk

The goal is simple: to simplify drawings. By referencing ISO 2768, a designer tells the machinist, "Unless I specify otherwise, follow these standard accuracy levels." Breaking Down the "mk" Suffix The designation consists of two separate parts that

For the 'm' class, the allowable deviation depends on the size of the dimension: Nominal Size (mm) Tolerance (± mm) 120 to 400 400 to 1000 External Radii and Chamfer Heights Nominal Size (mm) Tolerance (± mm) ISO 2768-2: Geometrical Tolerances (The 'k') a designer tells the machinist