If you tighten a bolt using a breaker bar and it fails unexpectedly, it really is the screwdriver’s fault though. Nobody can know if the bolt truly has 70 pound

If you tighten a bolt using a breaker bar and it fails unexpectedly, it really is the screwdriver’s fault though. Nobody can know if the bolt truly has 70 pounds of torque applied. Maybe it broke at 62, and will fail in 3 flights.