BSI - BS 3643-1
ISO metric screw threads Part 1: Principles and basic data
|Publication Date:||30 November 2007|
|ICS Code (Metric screw threads):||21.040.10|
Applies to single-start parallel screw threads having the ISO basic profile for triangular screw threads. Data for diameters from 1.0 mm to 300 mm are tabulated and an appendix gives the information necessary to calculate the limits of size for exceptions to the tabulated data.