ISO 225:2010 pdf free download – Fasteners – Bolts, screws, studs and nuts一Symbols and descriptions of dimensions.
ISO 225 defines the symbols and gives descriptions of the dimensions of bolts, screws, studs and nuts for use in the appropriate product standards and drawings.
NOTE I The figures of the fasteners in this International Standard are given only as examples.
NOTE 2 In addition to terms used in the three official ISO languages (English, French and Russian), this International Standard gives the equivalent terms in Chinese, German, Italian, Japanese, Spanish and Swedish; these are published under the responsibility of the member bodies for China (SAC), Germany (DIN), Italy (UNI), Japan (JISC), Spain (AENOR) and Sweden (SIS), and are given for information only. Only the terms given in the official languages can be considered as ISO terms.
Successive order of languages:
en: English fr: French ru: Russian zh: Chinese de: German it: Italian
ja: Japanese es: Spanish sv: Swedish
2 Normative reference
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
ISO 3508, Thread run-outs for fasteners with thread in accordance with ISO 261 and ISO 262
ISO 4753, Fasteners — Ends of parts with external ISO metric thread
ISO 4755, Fasteners — Thread undercuts for external metric ISO threads
ISO 4757, Cross recesses for screws.