Content with Form G

04 April 2022
Nominal size Inside diameter (d1)Outside diameter (d2) Thickness (s) nom. max. min. nom. max. min. nom max. min. M5 5.5 5.8 5.5 15 15 14.2 1.6 1.9 1.3 M6 6.6 7.0 6.6 18 18 17.2 2 2.3 1.7 M8 9 9.4 9.0 24 24 23.2 2 2.
Read more about BS 4320 Basic dimensions Form G washers for selected sizes