Types of Nuts and Their Uses
Hex nuts are the standard; lock nuts such as nylock and all-metal nuts resist vibration; flange, dome and wing nuts suit special jobs; and weld, rivet and cage nuts add threads to sheet metal.
Standard nuts
- Hex nuts for everyday bolts
- Heavy hex nuts for structural and flange bolting
- Jam nuts as thin locking nuts
Locking nuts
- Nylock nuts with a nylon ring
- All-metal lock nuts for heat and oil
- Castle nuts locked with split pins
Special purpose
- Flange nuts with a built-in washer
- Dome nuts to cover thread ends
- Wing nuts for hand tightening
- Coupling nuts to join rods
Nuts for sheet metal
- Weld nuts welded to thin sheet
- Rivet nuts set from one side
- Clip and cage nuts that snap onto panels
