Round head
Countersunk head
Raised countersunk head
Round head with collar
Undercut countersunk head
Raised Undercut countersunk head
Low cheese head
Raised cheese
BS 1981-11-2012
80°Countersunk raised head screws with type Z cross recess(truncated)-Table 11
BS 1981-11-2017
80°Countersunk raised head screws with type Z cross recess(truncated)-Table 11
BS 1981-13-2004
Pan head screws with type Z cross recess-Table 13
BS 1981-13-2012
Pan head screws with type Z cross recess-Table 13
BS 1981-13-2017
Pan head screws with type Z cross recess-Table 13
BS 1981-15-2004
Recessed raised cheese head screws with type Z cross recess-Table 15
BS 1981-15-2012
Recessed raised cheese head screws with type Z cross recess-Table 15
BS 1981-15-2017
Recessed raised cheese head screws with type Z cross recess-Table 15
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
BS 4183-3A-2013
Metric cross recessed 90° raised countersunk flat head screws-Table 3A
BS 4183-4A-2013
Metric cross recessed pan head screws-Table 4A
BS 7433-1-1991
Metric cross recessed pan head screws
BS 7433-1-1998
Metric cross recessed pan head screws
BS 7433-2-1991
Metric countersunk flat head screws
BS 7433-2-2004
Metric countersunk flat head screws
BS 7433-3-1991
Metric raised countersunk head screws
BS 7433-3-2004
Metric raised countersunk head screws
