Nuts are available in various sizes, grades, and finishes.
Acorn Nut or Cap Nut
Coupling Nut
Flange Nut
Heavy Hex Nut
Hex Nut
Jam Nut
Jam Nylon Locknut
Kep Nut
Nylon Locknut
Slotted Nut or Castle Nut
Square Nut
Stover Locknut
Tee Nut
Weld Nut
Wheel Nut
Wing Nut