Head Shape

2-Flats (Slotted Hole)
Ball
Blind Rivet
Button
Cheese
Circle
Cone
Countersunk
Countersunk Head
Cylindrical
Disc
Extra Low Head
Flame
Flange Button
Flat
Flat Head
Headless
Hex
Hex Socket Button
Hex Socket Cap
Hex Socket Countersunk
Hex Socket Set
Hex Socket Shoulder
Hex Washer
Hexagonal
Low Head
Oval
Pan
Pear
Round
Round Nose Tree
Round Push
Round Washer
Round head
Rounded Wing
Small Diameter
Spade
Square
Square shape
Standard
Teardrop
Tree
Ultra Low Head
Ultra-Low Head
Wing
Wing/Spade