11mm square should work fine. Only 0.1mm (or 4thou) difference!
http://www.ebay.co.uk/itm/DRAPER-38322- ... _976wt_952
sump and gearbox diff drain plugs af sizes
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Re: sump and gearbox diff drain plugs af sizes
1956 Morris Minor Series II
1959 MGA 1600 Roadster
1966 Jaguar Mk2 3.8 MOD
1959 MGA 1600 Roadster
1966 Jaguar Mk2 3.8 MOD
Re: sump and gearbox diff drain plugs af sizes
Of course - but it's wrong to think in metric terms when working around Classic British cars!



Re: sump and gearbox diff drain plugs af sizes
That I absolutely agree with!
1956 Morris Minor Series II
1959 MGA 1600 Roadster
1966 Jaguar Mk2 3.8 MOD
1959 MGA 1600 Roadster
1966 Jaguar Mk2 3.8 MOD
Re: sump and gearbox diff drain plugs af sizes
Why are you having so much trouble getting these two items? They're not special tools so any good toolshop will have them, then you can get cracking!
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Re: sump and gearbox diff drain plugs af sizes
Are you still looking for something 7/16 square? If so, PM me. Last month I bought a 300mm steel bar this shape (I think for £6), and decided to cut 100m mm off the end to fit into the fill and drain plugs in the diff. It works well. Then I cut the remainder into two other 100mm sections to sell/pass to other Minor owners.
Of all my AF, Whitworth and metric spanners, I found the best hexagonal fit around the square bar is 9/16 AF.
Of all my AF, Whitworth and metric spanners, I found the best hexagonal fit around the square bar is 9/16 AF.