"Tim+" wrote in message
...
The Natural Philosopher wrote:
On 25/02/2021 19:21, Tim+ wrote:
alan_m wrote:
On 25/02/2021 18:28, Tim+ wrote:


I cant believe that a designer decided that 9 mm would be too weak
and
that a 10mm would be too cramped for space.

Tim


A layer of rust making a 9mm bolt oversize


Nope. Definitely 9.5mm

Nope, definitely 3/8"

Briggs are Yankee - its all imperial


Well I guess it is 3/8€� after all. Just seems odd that so many
of the engine bolts seem to be metric but not these ones.

Bet they aren't metric either, just the one that has
the same spanner for metric and non metric.