I have a Walton 6-32 extractor that's been used several times to save other guys' messes. The only tap I ever broke was 1/2-13 (Long story). Patience, heat, and lots of Mouse Milk, usually took 20-30 minutes to extract a broken tap.
Regards,
Bob
Regards,
Bob
bobm4360, proud to be a member of MetalworkingFun since Jul 2012.