Round head
Countersunk head
Raised countersunk head
Round head with collar
Undercut countersunk head
Raised Undercut countersunk head
Low cheese head
Raised cheese
GB/T 818-2016
Pan head screws with type Z cross recess
ISO 7045-1994
Pan head screws with type Z cross recess
GB/T 818-1985
Pan head screws with type Z cross recess
GB/T 818-2000
Pan head screws with type Z cross recess
ISO 7045-2011
Pan head screws with type Z cross recess
IFI 513-7-1982
Metric pan head screws with type Z cross recess-Table 7
BS 1981-13-1991
Pan head screws with type Z cross recess-Table 13
JIS B1111-1-1996
Pan head screws with type Z cross recess-Table 1
KS B1023-2001
Pan head screws with type Z cross recess
NF E25-121-1994
Pan head screws with type Z cross recess
NF E25-121-2011
Pan head screws with type Z cross recess
NF E25-121-1984
Pan head screws with type Z cross recess
BS 450-5-1958
Cross recessed pan Head Screws-Table 5
BS 450-8-1958
Cross recessed mushroom Head Screws-Table 8
BS 450-13-1958
Cross recessed round Head Screws-Table 13
BS 450-5-2012
Cross recessed pan Head Screws-Table 5
BS 450-5-2017
Cross recessed pan Head Screws-Table 5
BS 450-8-2012
Cross recessed mushroom Head Screws-Table 8
BS 450-8-2017
Cross recessed mushroom Head Screws-Table 8
BS 450-13-2012
Cross recessed round Head Screws-Table 13
