I have a client that needs the 8.4 x1 tap. I used to sell that size but moved it up to 8.5 x 1. The 8.5 will not work for him.. Im also looking for the 8.4 x.75 tap that DCbluesman used to sell to fit the Heritance #6 feeds.. If your out of feeds and want to sell the tap and or die let me know.
Mike
Mike