Picked up two 6mmx1 banjo bolts, bosch pn 2433456034 from local diesel shop. These banjo bolts thread into the injector head and ?suppose? to have a hole near the head of the bolt for fuel to return into the fuel drain return/manifold. The bolts they gave me don't look the same as the ones I removed from my truck. Instead of having a hole near the head of the bolt, the threads of it are flattened on two sides, they say for fuel to escape/run past. They just don't look right. Anyone ever heard or seen these? He even took it to one of the techs and they said it was correct. Said it was an updated bolt. What ya think? Bill