Round head
Countersunk head
Raised countersunk head
Round head with collar
Undercut countersunk head
Raised Undercut countersunk head
Low cheese head
Raised cheese
GB 819-1976
Countersunk flat head screws cross recess
GB 818-1976
Cross recessed pan head screws
GB/T 818-1985
Pan head screws with type H cross recess
GB/T 818-2000
Pan head screws with type H cross recess
ISO 7045-2011
Pan head screws with type H cross recess
GB/T 820-1985
Cross recessed raised countersunk head screws-type H
GB/T 822-2016
Cheese head screws with cross recess-type H
GB 945-1976
Cross recessed fillister haed screws
GB/T 823-1988
Small pan head screws with cross recess
ISO 7048-1998
Cheese head screws with cross recess-type H
DIN 966-1990
90°Cross recessed raised countersunk head screws-Type H
DIN 7964C-1990
Type H cross recessed raised cheese head screws with waisted shank-K end
DIN 7964C-1990
Type H cross recessed raised cheese head screws with waisted shank-Sp end
IFI 513-3-1982
Countersunk flat head screws with type H cross recess-Table 3
IFI 513-5-1982
Metric countersunk flat head screws with type H cross recess-Table 5
IFI 513-7-1982
Metric pan head screws with type H cross recess-Table 7
Q 214-1999
Pan head screws cross recess
Q 254-1999
Countersunk flat head screws cross recess
Q 256-1999
Cross recessed raised countersunk head screws
UNI 7688-1977
Cross recessed countersunk head screws with type H
