Originally Posted by
george wilson
I do not advise buying taps and dies from HF. You will end up with a broken off tap in something you wish you had used a better tap on. Chinese HSS is usually TOO HARD,and TOO BRITTLE which is what you do not want in a tap. If the tap turns out to be soft as butter,you will be in an equal amount of trouble.
I'm with George. The tap thread count is off enough to make the fasteners bind. The short term cure was to run the HF die up and down the bolts and get a loose but useable fit until I could rebuild the item using quality inserts.
"A hen is only an egg's way of making another egg".
– Samuel Butler