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 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
ASME/ANSI B18.6.3-6-2013
Cross recessed close tolerance 100° countersunk head screws-Table 6
ASME/ANSI B18.6.3-6-2013
Cross recessed close tolerance 100° countersunk head screws-Table 6
DIN 967-2002
Cross recessed pan head screws with collar-Type H
DIN 967-2002
Cross recessed pan head screws with collar-Type Z
ASME/ANSI B18.6.3-8-2013
Cross recessed 80° oval countersunk head screws-Table 8
ASME/ANSI B18.6.3-8-2013
Cross recessed 80° oval countersunk head screws-Table 8
BS 450-2-1958
Cross recessed 90° countersunk flat head screws-Table 2
BS 450-3-1958
Cross recessed 90° oval countersunk flat head screws-Table 3
BS 450-5-1958
Cross recessed pan Head Screws-Table 5
BS 450-7-1958
Cross recessed cheese head screws-Table 7
BS 450-8-1958
Cross recessed mushroom Head Screws-Table 8
BS 450-11-1958
Cross recessed 90° countersunk flat head screws-Table 11
BS 450-12-1958
Cross recessed 90° oval countersunk flat head screws-Table 12
BS 450-13-1958
Cross recessed round Head Screws-Table 13
