Round head
Countersunk head
Raised countersunk head
Round head with collar
Undercut countersunk head
Raised Undercut countersunk head
Low cheese head
Raised cheese
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 450-2-2012
Cross recessed 90° countersunk flat head screws-Table 2
BS 450-2-2017
Cross recessed 90° countersunk flat head screws-Table 2
BS 450-3-2012
Cross recessed 90° oval countersunk flat head screws-Table 3
BS 450-3-2017
Cross recessed 90° oval countersunk flat head screws-Table 3
BS 450-5-2012
Cross recessed pan Head Screws-Table 5
BS 450-5-2017
Cross recessed pan Head Screws-Table 5
BS 450-7-2012
Cross recessed cheese head screws-Table 7
BS 450-7-2017
Cross recessed cheese head screws-Table 7
BS 450-8-2012
Cross recessed mushroom Head Screws-Table 8
BS 450-8-2017
Cross recessed mushroom Head Screws-Table 8
