--- title: "Projected tolerance zone" chunk: 1/1 source: "https://en.wikipedia.org/wiki/Projected_tolerance_zone" category: "reference" tags: "science, encyclopedia" date_saved: "2026-05-05T11:52:49.708567+00:00" instance: "kb-cron" --- In geometric dimensioning and tolerancing, a projected tolerance zone is defined to predict the final dimensions and locations of features on a component or assembly subject to tolerance stack-up. == References == ASME Y14.5M-1994 Dimensioning and Tolerancing