A hexagon slotted nut
is a specialized fastener designed to work with a threaded bolt or rod. It features a hexagonal outer shape and a slot or opening cut across one of its faces. Here's how a hexagon slotted nut works:
Fastening: The primary function of a hexagon slotted nut is to fasten two or more components together. It is typically threaded internally, matching the threads on a bolt or threaded rod. The nut is turned onto the threads of the bolt or rod, and as it is tightened, it applies pressure to the components being joined.
Slot: The unique feature of a hexagon slotted nut is the slot or opening across one of its faces. This slot allows for the use of a specialized tool, such as a spanner wrench, to turn the nut. The tool's pins or prongs fit into the slot, providing leverage to tighten or loosen the nut.
Adjustment: Hexagon slotted nuts are commonly used in situations where frequent adjustments or maintenance may be required. By using a tool with the appropriate dimensions to engage the slot, you can easily turn the nut as needed to secure or release the fastened components.
Locking and Security: In some applications, hexagon slotted nuts are used in conjunction with a cotter pin or split pin. The pin is passed through a hole in the bolt or threaded rod, and then through the slot in the nut. This prevents the nut from loosening unintentionally due to vibration or other external forces.
Torque Application: The tool used with the slot provides a means to apply torque, allowing you to achieve the desired level of tightness. It's important to use the appropriate tool to ensure that the nut is adequately secured but not over-tightened, which can lead to thread damage or component deformation.
Alternative to Standard Nuts: Hexagon slotted nuts offer an advantage over standard hex nuts in applications where access to the nut may be limited, or where a standard wrench or socket cannot be used effectively. The slot allows for easy adjustment with a tool even when space is constrained.
Versatile Applications: Hexagon slotted nuts are used in a variety of applications, including automotive, machinery, construction, and equipment assembly, where a balance of adjustability and security is required.
It's important to choose the correct size and thread pitch of a hexagon slotted nut to match the corresponding bolt or threaded rod. Additionally, proper tightening techniques should be employed to ensure a secure and safe fastening. When used with locking pins, these nuts provide an extra level of safety and security, preventing unintended loosening in critical applications.