Round head
Countersunk head
Raised countersunk head
Round head with collar
Undercut countersunk head
Raised Undercut countersunk head
Low cheese head
Raised cheese
ISO 7047-1994
Countersunk raised head screws with type Z cross recess
GB/T 820-1985
Cross recessed raised countersunk head screws-type Z
DIN 966-1990
90°Cross recessed raised countersunk head screws-Type Z
IFI 513-5-1982
Countersunk flat head screws with type Z cross recess-Table 5
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
JIS B1111-4-1996
Countersunk raised head screws with type Z cross recess-Table 4
KS B1023-2001
Countersunk raised head screws with type Z cross recess
NF E25-120-1994
Countersunk raised head screws with type Z cross recess
NF E25-120-1984
Countersunk raised head screws with type Z cross recess
NF E25-120-2011
Countersunk raised head screws with type Z cross recess
GB/T 820-2000
Cross recessed raised countersunk head screws-type Z
GB/T 820-2015
Cross recessed raised countersunk head screws-type Z
ASME/ANSI B18.6.3-8-2013
Cross recessed 80° oval countersunk head screws-Table 8
BS 450-3-1958
Cross recessed 90° oval countersunk flat head screws-Table 3
BS 450-12-1958
Cross recessed 90° oval countersunk flat head screws-Table 12
BS 450-3-2012
Cross recessed 90° oval countersunk flat head screws-Table 3
BS 450-3-2017
Cross recessed 90° oval countersunk flat head screws-Table 3
BS 450-12-2012
Cross recessed 90° oval countersunk flat head screws-Table 12
BS 450-12-2017
Cross recessed 90° oval countersunk flat head screws-Table 12
