Slot
Cross recess
Hex socket
Square socket
Pozidriv recess
Round head
Raised countersunk head
Cheese
Straight-knurl
Reduced shank
Full thread
Plain washer
Large plain washer
Spring washer
Ex-teeth CSK washers
Ex-teeth washer
NF E25-523-1999
Cross recessed pan head tapping screws and plain washer assemblies-type H-type F
Cross recessed pan head tapping screws and large plain washer assemblies-type H-type F