Quick change tool posts & indexable tools?

I have no idea why they would take a stud and tap it differently on either end, doesn't really make sense.

maybe their M14-1.5 tap broke or was dull so they grabbed another handy tap :(
 
Mine was imperial on top and M14X1.5 on the bottom. Because of a shallow depth in the T nut, the M14X1.5 makes sense to me: Holding power versus depth (stronger than 5/8 UNF) I might have preferred 15mm!
 
How do I determine whether I need the AXA or BXA size?
Jason,

I've had both for my lathe. Started with an AXA and, almost by accident, acquired a BXA. I think for light-duty work, they're pretty much interchangeable, but if an instance ever arises (and it will) where you need to do some heavier milling, the two are light-years apart. All my AXA's are now gone. If it will fit, spring for the BXA, and you'll only buy it once.

Regards,
Terry
 
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