Slot
Cross recess
6-Lobe
Hex chamfered single face
Hex with hole
Hex with shoulder
Hex chamfered double faces
Nylon Insert
Hole on shank
Straight-knurl
Reduced shank
Normal shank
Increased shank
Shoulder
Waisted shank
Full thread
Flat point
Cone point
Dog point
Semitubular end
MS 16205A-1991
Hexagon head bolts
MS 16205A-1999
MS 16206A-1966
MS 16206A-1991
MS 16206A-1999
MS 16208B-1989
MS 16208B-2000