Re: SAVE A THREAD trick ?

[JACQUES]

the save a thread tool tip has cleaning threads followed after with a tappered section leading to a bigger die size to cut new oversized threads into which to screw the insert.

with the plug holes slanted on these cyl heads the first section of the save-a thread tool hits the back wall facing the plug holes making it impossible to uset the oversize cutting section of the cutting dye .

Joining AOMCI has priviledges 🙂