This will depend on the type of connection being made the materials being used the strength of the bolt standards and regulations for the application and a variety of other factors.
Installation flat washer lock washer nut order.
They always go against the nut and against steel on the other side never wood.
Follow the order given 1 3 4.
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 spring washer has to go between the bolt and the leg the flat washer is only to give the bolt a bigger head.
Ideally the lock washer goes into the threaded fastener first followed by the flat washer.
The washers with teeth or split washers are lock washers.
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.
This way the lock washer adds.
Which one goes in first.
So leg and bolt through the bracket flat washer lock washer then nut.
If a lock washer is.
Step 2 place the first washer on the shaft of the bolt.
High collar lock washers are a kind of split washer.
Internal use lock washers have teeth made to bite into the nut screw head and surface it contacts.
Determine the correct size and type of bolt nut and washer for your application.
To help it accomplish this put the lock washer on first below the fastener.
Flat washer then lock washer or vice versa which one is correct.
They work best on small screws or screws used in electrical grounding.
When used correctly a lock washer will hold the nut or other threaded fastener in place.