You are digging yourself a hole you can't get out of. For one thing, though there ARE scads of stuff up there, it's NOT in one zone where you can just "grab it and pack it in," nor is it all just sitting there waiting for you. You would have to boost for half an hour to match orbits, track down the lost bolt, maneuver for another half hour, grab it somehow, and repeat the process ad-infinitum to "get a full cargo."