Round head
Flat round head
Cheese
T-head
Cup head square neck
Cup head nib
Cup oval neck
Low cheese head
Hole on shank
Straight-knurl
Reduced shank
Normal shank
Full thread
Cone point
Dog point
Semitubular end
BS 4933-5-1973
Cup head bolts
BS 4933-5-2010
BS 4933-5-2015