{"edition":"ISO 2768-1:1989 et ISO 2768-2:1989","verifiedOn":"2026-10-13","tables":{"linear":{"classes":["f","m","c","v"],"unit":"mm","symmetric":true,"min":0.5,"limits":[3,6,30,120,400,1000,2000,4000],"values":[[0.05,0.1,0.2,"non définie"],[0.05,0.1,0.3,0.5],[0.1,0.2,0.5,1],[0.15,0.3,0.8,1.5],[0.2,0.5,1.2,2.5],[0.3,0.8,2,4],[0.5,1.2,3,6],["non définie",2,4,8]]},"edge":{"classes":["f","m","c","v"],"unit":"mm","symmetric":true,"min":0.5,"limits":[3,6,"sans limite"],"values":[[0.2,0.2,0.4,0.4],[0.5,0.5,1,1],[1,1,2,2]]},"angular":{"classes":["f","m","c","v"],"unit":"arcmin","symmetric":true,"min":0,"limits":[10,50,120,400,"sans limite"],"values":[[60,60,90,180],[30,30,60,120],[20,20,30,60],[10,10,15,30],[5,5,10,20]]},"straightnessFlatness":{"classes":["H","K","L"],"unit":"mm","symmetric":false,"min":0,"limits":[10,30,100,300,1000,3000],"values":[[0.02,0.05,0.1],[0.05,0.1,0.2],[0.1,0.2,0.4],[0.2,0.4,0.8],[0.3,0.6,1.2],[0.4,0.8,1.6]]},"perpendicularity":{"classes":["H","K","L"],"unit":"mm","symmetric":false,"min":0,"limits":[100,300,1000,3000],"values":[[0.2,0.4,0.6],[0.3,0.6,1],[0.4,0.8,1.5],[0.5,1,2]]},"symmetry":{"classes":["H","K","L"],"unit":"mm","symmetric":false,"min":0,"limits":[100,300,1000,3000],"values":[[0.5,0.6,0.6],[0.5,0.6,1],[0.5,0.8,1.5],[0.5,1,2]]},"runout":{"classes":["H","K","L"],"unit":"mm","symmetric":false,"min":0,"limits":["sans limite"],"values":[[0.1,0.2,0.5]]}},"sources":[{"name":"Runsom, tables ISO 2768-1 et ISO 2768-2","url":"https://www.runsom.com/wp-content/uploads/2023/08/General-Tolerance-ISO-2768.pdf"},{"name":"DAU Components, tables DIN ISO 2768","url":"https://www.dau-components.co.uk/doc/General_Tolerances_-DIN_-ISO_-2768.pdf"},{"name":"ISO 2768-1:1989, copie du texte publiée par RMC","url":"https://www.steel-foundry.com/uploads/ISO-2768-1-General-Tolerances.pdf"},{"name":"ISO 2768-2:1989, copie du texte publiée par LEAD","url":"https://leadrp.net/wp-content/uploads/2022/03/General-Tolerance-Standard-ISO-2768-2pdf.pdf"},{"name":"ISO, statut ISO 2768-1","url":"https://www.iso.org/standard/7748.html"},{"name":"ISO, retrait ISO 2768-2 et remplacement ISO 22081:2021","url":"https://www.iso.org/standard/7749.html"}],"geometryStatus":"ISO 2768-2:1989 retirée, remplacée par ISO 22081:2021. Tables H/K/L pour un plan qui cite cette édition."}