BS 1210-1-1963
Inch slotted countersunk head wood screws-Table 1
BS 4174-8-1972
Type AB 80°slotted countersunk head self tapping screw-Table 8
BS 4174-8-1972
Type B slotted countersunk head self tapping screw-Table 8
BS 4174-8-1972
Type A slotted countersunk head self tapping screw-Table 8
BS 1210-1-1998
Inch slotted countersunk head wood screws-Table 1
BS 4174-8-2013
Type AB 80°slotted countersunk head self tapping screw-Table 8
BS 4174-8-2013
Type B slotted countersunk head self tapping screw-Table 8
BS 4174-8-2013
Type A slotted countersunk head self tapping screw-Table 8