BS 3643-1:1981
ISO metric screw threads - Principles and basic data

Standard No.

BS 3643-1:1981

Release Date

1981

Published By

British Standards Institution (BSI)

Status

Be replaced 2007-11

Replace By

BS 3643-1:2007

Latest

BS 3643-1:2007(2009)

Scope

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.

BS 3643-1:1981 history

• 0000 BS 3643-1:2007(2009)
• 2007 BS 3643-1:2007 ISO metric screw threads - Principles and basic data
• 1981 BS 3643-1:1981 ISO metric screw threads - Principles and basic data