refers to a specific set of default manufacturing tolerances defined by the international standard
Use the exact phrase "ISO 2768-1:1989" (or the latest edition) in quotes for accurate results. iso 2768 vl pdf
Always check the specific drawing; if only "ISO 2768-v" appears without a second class, assume linear tolerances only. refers to a specific set of default manufacturing
Specifies general geometrical tolerances , such as straightness, flatness, perpendicularity, and symmetry. The "L" stands for Low Precision , the most relaxed of the three Part 2 classes (H, K, L). General Tolerance Tables for v and L such as straightness
If a drawing is labeled "ISO 2768-VL" (or correctly, "ISO 2768-vL"), it means: