Originally Posted by FBinNY

I've installed and serviced many of these brakes and never saw the part broken on either single pivot, or the similar part on double pivot. I think the design is fine, but folks overtighten the parts, not understanding that the set screw doesn't need to provide a tone of hold, only enough to keep the screw from spinning on installation.

I agree that a steel part would be stronger and more foolproof, but understand that this is on a Record brake, where weight is at a premium, and where I'd expect mechanics to have a bit of finesse. If it were on a garden variety brake then something more foolproof might be warranted.