"Terry Coombs" wrote in message
...
The ISO/DIN or bubble flare in your link below and I have an M10 x 1 tap
, but it cuts an oversize thread - which is the whole problem here. The
vehicle in question is a Ford Mustang , late model 90-something , I
think . He's putting a different master cylinder on because he's using a
rear axle with disc brakes , and I'm also making an adapter plate to mount
that .
--
Snag

"Larry Jaques" wrote in message When
I was wrenching, I only saw the Japanese style, not the Euro.
http://tinyurl.com/pnhvbdo Which is the one you're working on?



The most likely cause of the problem is that it might not be a metric
fitting but a more common 3/8-24 fitting.
The 3/8 has a smaller major diameter but is so close to the metric that the
3/8-24 will thread into a 10-1 (not suggested) but the 10-1 will not fit
into a 3/8-24 hole.

Paul K. Dickman