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this centering screw isn't actually load bearing when squeezing the brake, right? it just defines the stopping point for the side pivot in the relaxed state. i've seen conflicting statements on online forums. when setting up my front brake i squeezed it too hard and heard some metal "fail" noise. i had to re-center the brakes and turn the barrel nut to bring the pads back closer to the rims and i tightened the recessed nut and cable clamp harder. i think the cable slipped in the clamp. i had torqued it to minimum spec but that wasn't enough apparently. in the shower i had a thought that what if it was the centering screw that stripped the threads in the caliper because i only have an undersized M4x5mm titanium set screw in at the moment while waiting for M4x8mm set screws to arrive, but it seems fine.