标准编号：ISO 529:2017
中文名称：机用短丝锥和手用丝锥
英文名称：Short machine taps and hand taps
发布日期：2017-03
标准范围
This document specifies the general dimensions of short machine taps and hand taps. These dimensions, established as functions of the thread diameter and pitch, are the following: — length of thread (maximum); — overall length; — shank diameter and dimensions of driving square; — dimensions of the connecting portion between the shank and threaded part. This document is applicable to taps intended for cutting the following threads: a) ISO metric threads: — coarse pitch; — fine pitch; b) ISO inch threads: — “Unified Coarse” series (UNC) and “Unified Fine” series (UNF); c) Inch threads, non-recommended: — “British Standard Whitworth” (BSW) and “British Standard Fine” (BSF); — “British Association” (BA). NOTE 1 The overall length, thread length and diameters of shank for taps whose thread diameter and pitch are not listed in tables are given in Table A.1. NOTE 2 Annex B gives an abstract from ISO 237 for shank diameters and size of driving squares, for information. NOTE 3 Technical specifications for taps covered by this document (including marking) are given in ISO 8830.
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