Round head
Countersunk head
Raised countersunk head
Round head with collar
Countersunk head with rib
Undercut countersunk head
Bugle head
Raised Undercut countersunk head
Raised cheese
ASME/ANSI B18.6.4-37-1998
Type C cross recessed with type Z raised cheese head self tapping screw-Table 37
ASME/ANSI B18.6.4-37-1998
Type C cross recessed with type Z raised cheese head self tapping screw with fine pitch thread-Table 37
ASME/ANSI B18.6.4-11-1998
Type C 80°cross recessed with type Z countersunk head self tapping screw-Table 11
ASME/ANSI B18.6.3-2-2013
Type AB Cross recessed 80° countersunk head self tapping screw-Table 2
ASME/ANSI B18.6.3-2-2013
Type A Cross recessed 80° countersunk head self tapping screw-Table 2
ASME/ANSI B18.6.3-2-2013
Type B Cross recessed 80° countersunk head self tapping screw-Table 2
ASME/ANSI B18.6.3-2-2013
Type BP Cross recessed 80° countersunk head self tapping screw-Table 2
ASME/ANSI B18.6.3-2-2013
Type C inch Cross recessed 80° countersunk head tapping screws-Table 2
ASME/ANSI B18.6.3-4-2013
Type AB Cross recessed 100° countersunk head self tapping screw-Table 4
ASME/ANSI B18.6.3-4-2013
Type A Cross recessed 100° countersunk head self tapping screw-Table 4
ASME/ANSI B18.6.3-4-2013
Type B Cross recessed 100° countersunk head self tapping screw-Table 4
ASME/ANSI B18.6.3-4-2013
Type BP Cross recessed 100° countersunk head self tapping screw-Table 4
ASME/ANSI B18.6.3-4-2013
Type C inch Cross recessed 100° countersunk head tapping screws-Table 4
ASME/ANSI B18.6.3-4-2013
Type C inch Cross recessed 100° countersunk head tapping screws with fine pitch thread-Table 4
ASME/ANSI B18.6.3-6-2013
Type AB Cross recessed close tolerance 100° countersunk head self tapping screw-Table 6
ASME/ANSI B18.6.3-6-2013
Type A Cross recessed close tolerance 100° countersunk head self tapping screw-Table 6
ASME/ANSI B18.6.3-6-2013
Type B Cross recessed close tolerance 100° countersunk head self tapping screw-Table 6
ASME/ANSI B18.6.3-6-2013
Type BP Cross recessed close tolerance 100° countersunk head self tapping screw-Table 6
ASME/ANSI B18.6.3-6-2013
Type C Cross recessed close tolerance 100° countersunk head tapping screws-Table 6
ASME/ANSI B18.6.3-6-2013
Type C Cross recessed close tolerance 100° countersunk head tapping screws with fine pitch thread-Table 6
