The following lines were added (+) and removed (-):
* Bolts,Screws,Studs with no tick marks on the head = Grade 2* Bolts,Screws,Studs with no tick marks on the head = Grade 2 ''(same as metric grade 5.8)''* Bolts,Screws,Studs with 3 symmetrical tick marks spaced 120° on the head = Grade 5* Bolts,Screws,Studs with 3 symmetrical tick marks spaced 120° on the head = Grade 5 ''(same as metric grade 8.8)''* Bolts,Screws,Studs with 5 symmetrical tick marks spaced 72° on the head = Grade 7* Bolts,Screws,Studs with 5 symmetrical tick marks spaced 72° on the head = Grade 7 * Bolts,Screws,Studs with 6 symmetrical tick marks spaced 60° on the head = Grade 8* Bolts,Screws,Studs with 6 symmetrical tick marks spaced 60° on the head = Grade 8 ''(same as metric grade 10.9)''