Hi Robert,
About imperial re metric, indeed 5/32" is 7,94 mm so very close to 8 mm.
Also 7/16" is 11,11 mm but 11 mm is not very often found.
15/32 would be 11,91 mm as 12 mm studs are usual.
This is very useful to remind in my workshop when one unusual shape of imperial wrench is required!
About imperial re metric, indeed 5/32" is 7,94 mm so very close to 8 mm.
Also 7/16" is 11,11 mm but 11 mm is not very often found.
15/32 would be 11,91 mm as 12 mm studs are usual.
This is very useful to remind in my workshop when one unusual shape of imperial wrench is required!