Any good idea's where to get a standard M12 reverse thread tap? Trying to tap out some aluminium bar to great a turnbuckle for my chain diff...

James

try a machine shop its not easy to find one i had to buy a m20 reverse thread for a prop shaft and it cost £42 a machine shop may loan you one if you give them say £50 and you can get it back when you return it.

try

www.rswww.com

part number

364-3931

not cheap though

Rau

not too bad actually, thanks

Try Tracy Tools. They'll sell you a cheap-ish carbon steel tap - their price is usually +100% over the standard left-hand thread. You'll probably have to ring them.

They deliver VERY quickly - return of post.

HTH
David