yip, or a reverse drill bit might be necessary, but be careful, give them a good soak since they probably lost the head cuz there stuck in there really fkn tight and they have no intention of coming out without a lot of coaxing
after 4 minutes of serious thought, and the clues left behind (brass screw) i finally figured out that he means Carbs !!!!
please read your thread before AND after you post, so it makes sense...
striped crabs
and stripped carbs are not exactly in the same ballpark !