I have a 2 pole 100 amp GE breaker in a garage subpanel. One of the screw head slots is damaged enough that a screwdriver slips and cannot tighten to the listed 45 inch pounds. Seems a shame to have to pony up to purchase a whole new breaker all for the want of one screw. Any idea where I could find a replacement? There must be a pile of old broken breakers with perfectly good screws somewhere!