Tech A says that most metric fasteners can be identified by the grade number cast into the head of the bolt. Tech B says that standard bolts can generally be identified by hash marks cast into the head of the bolt indicating the bolt's grade. Who is correct?

Question

Quizplus · Accepted Answer

Tech A is correct because metric fasteners often have a grade number on the head. Tech B is correct because standard bolts typically have hash marks indicating their grade.

Tech a Says That Most Metric Fasteners Can Be Identified