||Break was fully due to user error... For some reason thought the torque wrench needed to click at least three times... Exactly enough for the bolt to shear off...
Thankfully, was able to clear the shaft using a punch, and a slow/steady hand... Along with a ton of guidance from those more experienced than myself... (Looking at you Polishzx!)
At this point, a bit worried about shavings/particles... So first task is to clean again, carefully/thoroughly...