Round head
Countersunk head
Raised countersunk head
Round head with collar
Undercut countersunk head
Raised Undercut countersunk head
Low cheese head
Raised cheese
NF E25-121-1984
Pan head screws with type Z cross recess
GB/T 822-2000
Cheese head screws with cross recess-type H
GB/T 822-2000
Cheese head screws with cross recess-type Z
GB/T 822-1988
Cheese head screws with cross recess-type H
GB/T 819.1-2000
Countersunk flat head screws with type H cross recess
GB/T 819.1-2000
Countersunk flat head screws with type Z cross recess
GB/T 819.2-1997
Countersunk flat head screws with type H cross recess(deep)
GB/T 819.2-1997
Countersunk flat head screws with type Z cross recess(deep)
GB/T 819.2-1997
Countersunk flat head screws with type H cross recess(shallow)
GB/T 819.2-1997
Countersunk flat head screws with type Z cross recess(shallow)
GB/T 820-2000
Cross recessed raised countersunk head screws-type H
GB/T 820-2000
Cross recessed raised countersunk head screws-type Z
GB/T 820-2015
Cross recessed raised countersunk head screws-type H
GB/T 820-2015
Cross recessed raised countersunk head screws-type Z
DIN 967-2002
Cross recessed pan head screws with collar-Type H
DIN 967-2002
Cross recessed pan head screws with collar-Type Z
BS 4183-2A-1967
Metric cross recessed 90° countersunk flat head screws-Table 2A
BS 4183-3A-1967
Metric cross recessed 90° raised countersunk flat head screws-Table 3A
BS 4183-4A-1967
Metric cross recessed pan head screws-Table 4A
BS 4183-2A-2013
Metric cross recessed 90° countersunk flat head screws-Table 2A
