DIN EN ISO 1119:2012-04

This standard was developed by ISO/TC 213/WG 12 'Size' and CEN/TC 290 'Dimensional and geometrical product specification and verification'. The responsible national commitee is NA 1520302 AA 'CEN/ISO Geometrische Produktspezifikation und -prüfung'. This International Standard gives a series of cones or conical tapers, ranging from 120° to less than 1°, or ratios from 1:0,289 to 1:500, intended for general use in mechanical engineering. It applies only to plain conical surfaces, and excludes prismatic pieces, taper threads, bevel gears, etc.