Slot
Cross recess
6-Lobe
Hex with flange
Hex with collar
Twill-knurl
Reduced shank
Normal shank
Full thread
ASME/ANSI B18.2.1-8-2012
Hex flange screws-Table 8
IFI 111-2002
ASME/ANSI B18.2.1-8-2010