Table of Contents

Foreword<br>1 Scope<br>2 Normative references<br>3 Terms and definitions<br>4 ISO metric threads<br>5 ISO inch threads, 'Unified coarse' (UNC) and<br>&nbsp;&nbsp;'Unified fine' (UNF) series<br>6 Non-recommended inch threads<br>Annex A (normative) - Shank diameter, overall <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;length and thread length as a function of<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;range of diameters and pitches<br>Annex B (informative) - Shank diameters and size<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;of driving squares (Extract from ISO 237)<br>Annex C (informative) - Relationship between <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;designations in this document and<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ISO 13399 series<br>Bibliography

Abstract

Describes the general dimensions of short machine taps and hand taps.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	British Standards Institution
Pages
ISBN
Committee	MTE/18
Supersedes	BS 949-1(1992) : 1992