Hex chamfered single face
Hex with flange
Round head
Countersunk head
Raised countersunk head
Hex with collar
Round head with collar
Countersunk head with rib
Undercut countersunk head
Bugle head
Raised Undercut countersunk head
Low cheese head
Raised cheese
Hex chamfered double faces
BS 4174-8-1972
Type BT slotted countersunk head self tapping cutting screw-Table 8
BS 4174-8-1972
Type T inch slotted countersunk head self tapping cutting screw-Table 8
BS 4174-9-1972
Type BT cross recessed with type Z countersunk head self tapping cutting screw-Table 9
BS 4174-10-1972
Type BT slotted truncated countersunk head self tapping cutting screw-Table 10
BS 4174-8-1972
Type D inch slotted countersunk head self tapping cutting screw-Table 8
BS 4174-9-1972
Type T inch cross recessed with type Z countersunk head self tapping cutting screw-Table 9
BS 4174-9-1972
Type D inch cross recessed with type Z countersunk head self tapping cutting screw-Table 9
BS 4174-10-1972
Type T inch slotted truncated countersunk head self tapping cutting screw-Table 10
BS 4174-10-1972
Type D inch slotted truncated countersunk head self tapping cutting screw-Table 10
BS 4174-11-1972
Type BT cross recessed with type Z truncated countersunk head self tapping cutting screw-Table 11
BS 4174-11-1972
Type T inch cross recessed with type Z truncated countersunk head self tapping cutting screw-Table 11
BS 4174-11-1972
Type D inch cross recessed with type Z truncated countersunk head self tapping cutting screw-Table 11
BS 4174-12-1972
Type BT slotted raised countersunk head self tapping cutting screw-Table 12
BS 4174-12-1972
Type T inch slotted raised countersunk head self tapping cutting screw-Table 12
BS 4174-12-1972
Type D inch slotted raised countersunk head self tapping cutting screw-Table 12
BS 4174-13-1972
Type BT cross recessed with type Z raised countersunk head self tapping cutting screw-Table 13
BS 4174-13-1972
Type T inch cross recessed with type Z raised countersunk head self tapping cutting screw-Table 13
BS 4174-13-1972
Type D inch cross recessed with type Z raised countersunk head self tapping cutting screw-Table 13
BS 4174-14-1972
Type BT slotted truncated raised countersunk head self tapping cutting screw-Table 14
BS 4174-14-1972
Type T inch slotted truncated raised countersunk head self tapping cutting screw-Table 14