Round head
Countersunk head
Raised countersunk head
Cheese
Round head with collar
Undercut countersunk head
Raised Undercut countersunk head
Low cheese head
Raised cheese
Cheese with hole
Countersunk Cheese head
Large cheese head
MS 3361-1969
Slotting 82° countersunk head screws(L=1.5)
MS 3361-1990
Slotting 82° countersunk head screws(L=1.5)
MS 18211B-1994
80°Slotted countersunk head screws
MS 18211B-1994
Slotted 100° countersunk head screws
MS 18211B-1997
80°Slotted countersunk head screws
MS 18211B-1997
Slotted 100° countersunk head screws
