BS 3410-6-1961
Refined washer for automobile Table6—Large series
BS 4174-8-1972
Type AB 80°slotted countersunk head self tapping screw-Table 8
BS 3410-7-1961
Ordinary rough flat washer Table7
BS 4174-8-1972
Type B slotted countersunk head self tapping screw-Table 8
BS 4174-8-1972
Type BT slotted countersunk head self tapping cutting screw-Table 8
BS 3410-8-1961
Rough flat washer Table8
BS 4174-8-1972
Type A slotted countersunk head self tapping screw-Table 8
BS 3410-9-1961
Light rough flat washer Table9
BS 4174-8-1972
Type T inch slotted countersunk head self tapping cutting screw-Table 8
BS 4174-9-1972
Type AB cross recessed with type Z countersunk head self tapping screw-Table 9
BS 4174-9-1972
Type B cross recessed with type Z countersunk head self tapping screw-Table 9
BS 4174-9-1972
Type BT cross recessed with type Z countersunk head self tapping cutting screw-Table 9
BS 4174-9-1972
Type A cross recessed with type Z countersunk head self tapping screw-Table 9
BS 3410-10-1961
Rough square hole flat washer Table10
BS 4174-10-1972
Type AB slotted truncated countersunk head self tapping screw-Table 10
BS 4174-10-1972
Type B slotted truncated countersunk head self tapping screw-Table 10
BS 4174-10-1972
Type BT slotted truncated countersunk head self tapping cutting screw-Table 10
BS 4174-10-1972
Type A slotted truncated countersunk head self tapping 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