Spring Washer Flat Washer Lock Washer Nut Order

Use a split lock washer for small jobs.

Spring washer flat washer lock washer nut order.

Follow the order given 1 3 4. Depending on what you re doing the flat washer lock washer nut order on your bolt will affect how well the nut and bolt work. You can always get a new bolt and washer but not the table leg. Flat washers and lock washers are often used together but many people still cannot get the lock washer flat washer placement right.

Internal use lock washers have teeth made to bite into the nut screw head and surface it contacts. Flat washer then lock washer or vice versa which one is correct. They always go against the nut and against steel on the other side never wood. So leg and bolt through the bracket flat washer lock washer then nut.

Helical spring lock washers are the most common form of lock washer and are best suited to applications with smaller loads. A washer is a thin plate typically disk shaped but sometimes square with a hole typically in the middle that is normally used to distribute the load of a threaded fastener such as a bolt or nut other uses are as a spacer spring belleville washer wave washer wear pad preload indicating device locking device and to reduce vibration rubber washer. Flat washers prove more useful when you are spacing objects especially when a bolt is too long to do the job properly. Lock washers for example help prevent accidental loosening of the bolt.

These are also called split washers. The spring washer has to go between the bolt and the leg the flat washer is only to give the bolt a bigger head. Instead of using grooves it operates more like a spring holding the threaded fastener in place with friction. What they are calling a spring washer is really a lock washer.

Step 1 determine the correct size and type of bolt nut and washer for your application. They are made so that a nut will go on easily but when you try to unscrew they dig into the nut to resist coming off. Flat washers help to distribute the force of tightening the nut by increasing the surface area. If you put the spring washer in between the flat washer and bolt it doesn t do its job which is to keep the bolt from turning back out.

The washers with teeth or split washers are lock washers. Ideally the lock washer goes into the threaded fastener first followed by the flat washer. This way the edges damage the bolt underside and the washer not the table leg. The edges of the split are designed to dig into the surfaces on each side when the bolt is turned counterclockwise.

Flat washers may be used on either the bolt side the nut side or both sides of the fastener. High collar lock washers are a kind of split washer. Which one goes in first. Lock washers are usually used when the application involves vibration as the nuts and bolts can come loose over time for that reason a flat washer should come first then the lock washer keeps all components steady.

They work best on small screws or screws used in electrical grounding.