Straight
Wheel : FORM 1
Cylindrical
Wheel : FORM
2
Wheel,
tapered one side : FORM 3
Wheel,
tapered both sides : FORM 4
Straight
wheel recessed one side : FORM 5
Cylindrical
cup wheel : FORM 6
Straight
wheel recessed both sides : FORM 7
Flaring
cup wheel : FORM 11
Dish
Wheel : FORM12
