BS 1981-9-1991
80°Countersunk raised head screws with type Z cross recess-Table 9
BS 1981-11-1991
80°Countersunk raised head screws with type Z cross recess(truncated)-Table 11
ASME/ANSI B18.6.3-8-2013
Cross recessed 80° oval countersunk head screws-Table 8
ASME/ANSI B18.6.3-8-2013
Cross recessed 80° oval countersunk head screws-Table 8
BS 1981-9-2004
80°Countersunk raised head screws with type Z cross recess-Table 9
BS 1981-9-2012
80°Countersunk raised head screws with type Z cross recess-Table 9
BS 1981-9-2017
80°Countersunk raised head screws with type Z cross recess-Table 9
BS 1981-11-2004
80°Countersunk raised head screws with type Z cross recess(truncated)-Table 11
BS 1981-11-2012
80°Countersunk raised head screws with type Z cross recess(truncated)-Table 11
BS 1981-11-2017
80°Countersunk raised head screws with type Z cross recess(truncated)-Table 11
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