Round head
Countersunk head
Raised countersunk head
Hex with collar
Round head with collar
Countersunk head with rib
Bugle head
Raised cheese
Hex chamfered double faces
ASME/ANSI B18.6.3-39-2013
Type AB 6-Lobe round head collar self tapping screws-Table 39
ASME/ANSI B18.6.3-39-2013
Type A 6-Lobe round head collar wood screws-Table 39
ASME/ANSI B18.6.3-39-2013
Type B 6-Lobe round head collar self tapping screws-Table 39
ASME/ANSI B18.6.3-39-2013
Type BP 6-Lobe round head collar self tapping screw-Table 39
