The tolerances of form and position are specified and indicated in accordance with ISO 1101, ISO 8015 and ISO 2692. The tolerances specified in this part of ISO 4759 apply to fasteners prior to coating unless otherwise specified. This document (EN ISO 4753:2011) has been prepared by Technical Committee ISO/TC 2 'Fasteners' in collaboration with Technical Committee CEN/TC 185 “Fasteners” the secretariat of which is held by DIN.
![Din Din](http://docplayer.org/docs-images/40/15361407/images/page_17.jpg)
Most recent DIN EN ISO 4753:2012 Fasteners - Ends of parts with external ISO metric thread (ISO 4753:2011); German version EN ISO 4753:2011 (Foreign Standard) This document specifies the form and dimensions of ends of parts with external ISO metric screw thread (e. G., bolt and screw ends) recommended for use. They apply to standardized or non-standardized threaded parts if they are specified at the time of order. For each end type a symbol is specified and it is recommended to use these symbols when specifying one of the ends for threaded fasteners.This standard specifies the form and dimensions of ends of parts with external ISO metric screw thread (for instance, bolt, screw and stud ends) recommended for use. They apply to standardized and nonstandardized threaded parts when specified in the order. For each end type, a symbol is specified and it is intended that these symbols be used when ordering one of these ends for threaded fasteners.
![Iso Iso](http://cdm.elesa.it/file_link/Elesa+Ganter/en/imm/disegno_14_eng.gif)
The threaded cone point CA has been newly included in this standard. The European Standard EN ISO 4753:2011 has been prepared by ISO/TC 2 'Fasteners' in collaboration with CEN/TC 185 'Fasteners', the secretariat of which is held by DIN (Germany).
The responsible German standardization committee is Working Committee NA 067-00-01 AA 'Referenznormen und QualitΣtsmanagement' ('Reference standards and quality management') of the Fasteners Standards Committee (FMV).
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