Why is this 6-32 tap not a 6-32 tap?

One is a #6 screw thread, the other is a 6mm x 32 tpi bah-stard thread?

Edit- Oh, snap! Insert tap for the win!
 
weird that the Guhring tap doesn't have STI on the shank or package - all of the many thread insert taps I've come across do. That's what I look for whenever I have a "huh, that looks weird" tap moment.

btw, Aaron, if you need taps, I have lots :)
 
Nowhere in the MSC data is there any mention of STI. My guess is the tap was mis-labeled. Return it.
 
LVLAaron said:
Well, the horrible freight tap managed to tap it's 4 holes without breaking. I think the whole set paid for itself... Time to throw it away before something bad happens!
Click to expand...
It they worked they cant be total crap so why throw them away, its a good excuse to build a simple spark eroder for removing broken taps just in case for the future.
My eroder has saved my bacon many a time.
 
Heh, i wont throw them all away... just the 6-32. These taps aren't great for cutting new threads. The 4th hole I could tell it was getting dull. I got them a long time ago to chase some rusty threads on my jeep.

I've been using usa made cobalt taps in the shop with fantastic luck.
 
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