Slot
Round head
Countersunk head
Raised countersunk head
Cheese
Round head with collar
Undercut countersunk head
Raised Undercut countersunk head
Low cheese head
Raised cheese
Cheese with hole
Countersunk Cheese head
Large cheese head
Hole on shank
Cross-knurl
Reduced shank
Normal shank
Shoulder
Waisted shank
Full thread
Flat point
Cone point
BS 1981-12-2017
Slotted pan head screws-Table 12
BS 1981-14-2004
Slotted raised cheese head screws-Table 14
BS 1981-14-2012
BS 1981-14-2017