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 13806.1-1992
Cross recessed cheese head screws for precision -Table1
GB/T 13806.1-1992
Cross recessed countersunk head screws for precision -Table2
GB/T 13806.1-1992
Cross recessed raised countersunk head screws for precision -Table3
ISO 7046-2-1994
Countersunk flat head screws with type H cross recess(deep)
ISO 7046-2-1994
Countersunk flat head screws with type Z cross recess(deep)
ISO 7046-2-1994
Countersunk flat head screws with type H cross recess(shallow)
ISO 7046-2-1994
Countersunk flat head screws with type Z cross recess(shallow)
ISO 7046-1-1994
Countersunk flat head screws with type H cross recess
ISO 7046-1-1994
Countersunk flat head screws with type Z cross recess
ISO 7047-1994
Countersunk raised head screws with type H cross recess
ISO 7047-1994
Countersunk raised head screws with type Z cross recess
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 Z cross recess
GB/T 818-1985
Pan head screws with type H cross recess
GB/T 818-2000
Pan head screws with type H 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
ISO 7045-2011
Pan head screws with type H cross recess
GB/T 820-1985
Cross recessed raised countersunk head screws-type H
