Round head
Countersunk head
Raised countersunk head
Round head with collar
Undercut countersunk head
Raised Undercut countersunk head
Low cheese head
Raised cheese
BS 1981-15-2004
Recessed raised cheese head screws with type Z cross recess-Table 15
BS 1981-15-2012
Recessed raised cheese head screws with type Z cross recess-Table 15
BS 1981-15-2017
Recessed raised cheese head screws with type Z cross recess-Table 15
ASME/ANSI B18.6.3-10-2013
Cross recessed undercut 80° countersunk head screws-Table 10
ASME/ANSI B18.6.3-10-2013
Cross recessed undercut 80° countersunk head screws-Table 10
ASME/ANSI B18.6.3-12-2013
Cross recessed undercut 80° oval countersunk head screws-Table 12
ASME/ANSI B18.6.3-12-2013
Cross recessed undercut 80° oval countersunk head screws-Table 12
ASME/ANSI B18.6.3-14-2013
Cross recessed 80° countersunk trim head screws-Table 14
ASME/ANSI B18.6.3-14-2013
Cross recessed 80° big countersunk trim head screws-Table 14
ASME/ANSI B18.6.3-14-2013
Cross recessed 80° countersunk trim head screws-Table 14
ASME/ANSI B18.6.3-14-2013
Cross recessed 80° big countersunk trim head screws-Table 14
ASME/ANSI B18.6.3-16-2013
Cross recessed oval 80° countersunk trim head screws-Table 16
ASME/ANSI B18.6.3-16-2013
Cross recessed big oval 80° countersunk trim head screws-Table 16
ASME/ANSI B18.6.3-16-2013
Cross recessed oval 80° countersunk trim head screws-Table 16
ASME/ANSI B18.6.3-16-2013
Cross recessed big oval 80° countersunk trim head screws-Table 16
ASME/ANSI B18.6.3-18-2013
Cross recessed pan head screws-Table 18
ASME/ANSI B18.6.3-19-2013
Cross recessed pan head screws-Table 19
ASME/ANSI B18.6.3-22-2013
Cross recessed raised cheese head screws-Table 22
ASME/ANSI B18.6.3-22-2013
Cross recessed raised cheese head screws-Table 22
ASME/ANSI B18.6.3-25-2013
Cross recessed truss head screws-Table 25
