The spring washer has to go between the bolt and the leg, the flat washer is only to give the bolt a bigger head. The washers are placed beneath the nut, not the bolt head. If the bolt head is too small to securely overlap a too-large bolt hole, you can use a flat washer to obtain a proper seat.
What goes first spring washer or flat washer?
Thereof, what goes first spring washer or flat washer? Ideally the lock washer goes into the threaded fastener first followed by the flat washer. The flat washer can be used on the bolt side, nut side or both. If the assembly calls for other types of washers or hardware elements besides these two, they should go on before the lock washer.
How does a spring washer work?
A spring washer has a split in the washer section that when tightened each side of the split bites into the nut and the mounting surface. This “bite” prevents any anti-clockwise rotation from occurring under vibration. There are two types of spring washer, square and rectangular section.
How can I tell if the spring washer is working properly?
When the nut is fully tightened, the split in the washer should still be slightly out of alignment. This is visual proof that the spring washer is still operating as intended and actually exerting a force on the fastener, as shown in the image below;
Where do you put spring washers on a nut?
Spring washers should be used on the nut side of the fastener. If an additional washer is required to spread the load (as in our image above) it should be used between the spring washer and the mounting surface, i.e. the spring washer should be positioned next to the nut. Are there any alternatives to spring washers?
Does a spring washer go on before a flat washer?
Method 1 of 3: When used correctly, a lock washer will hold the nut or other threaded fastener in place. To help it accomplish this, put the lock washer on first, below the fastener. If your project calls for other washers or hardware elements, they should go on before the lock washer so that it can hold them in place.
What order do flat washers and spring washers go in?
The flat washer is next to the surface of the machine, and the spring pad is between the flat washer and the nut.
Where should a spring washer be placed?
Where does a spring washer locate? Spring washers should be used on the nut side of the fastener. If an additional washer is required to spread the load (as in our image above) it should be used between the spring washer and the mounting surface, i.e. the spring washer should be positioned next to the nut.
Where should a lock washer go?
The lock washer should be placed under your threaded fastener - i.e., underneath a nut or the head of a screw or bolt. In assemblies where you have a nut and a bolt, the washer should be placed between the nut and the head of the bolt. You can then tighten the threaded fastener as normal.
When should I use spring washer and flat washer?
Difference Between Plain and Spring Washers The difference lies in their shape. Plain washers are flat, whereas spring washers are curved. For most applications, plain washers are typically used. For machines and objects that vibrate, spring washers are recommended.
Does the washer go next to the nut or bolt?
If there is only one washer used with a nut/bolt, it usually goes on the nut side. The nut in most circumstances is more movable, and is more commonly turned to tighten the assembly. The washer helps prevent damage to the surface of the object being fastened.
What side do spring washers go on?
nut sideSpring washers As a result, a spring action or an elastic force operates. Unlike flat washers, which are placed on both the bolt and nut side, spring washers only go on the nut side of the fastener to establish a bond.
Which way does the flat side of a washer go?
There is no fixed rule about which side goes up and which goes down, but given the issue of bearing surface pressure mentioned above, it's more effective to put the burred side facing down.
Should a flat washer be used with a lock washer?
In general, I use a flat washer under a split locking washer to protect the base material, plating, or coating from damage caused by the split washer action. I may also use the flat washer to distribute the fastener load or ensure the split washer does not fall or grind into a larger clearance hole feature.
How do you use a spring washer with a flat washer?
0:242:17Split Ring Lock Washers - Spring Locking Action | Fasteners 101YouTubeStart of suggested clipEnd of suggested clipSo this is your standard lock washer been cut on the edge there and then twisted. So when you lock aMoreSo this is your standard lock washer been cut on the edge there and then twisted. So when you lock a nut down it locks the nut in place it's good to use these with a flat washer.
Is a spring washer a lock washer?
Spring washers, which have axial flexibility and are used to prevent fastening or loosening due to vibrations. Locking washers, which prevent fastening or loosening by preventing unscrewing rotation of the fastening device; locking washers are usually also spring washers.
Washer Materials and Types
Washers are made from a variety of materials, the most popular of which are galvanized carbon steel and stainless steel. Carbon steel is stronger than stainless steel, but stainless steel will not rust or corrode like carbon steel can. Other metal washers include zinc, copper, brass and iron.
Plain Washers
Also called flat washers, plain washers are the most common type of washers. They distribute pressure and protect the object to which the screw or nut is fastened. If a hole is too big for the fastener, a plain washer can be used to correct the size difference.
Spring Washers
Spring washers have axial flexibility that allows them to move with vibrations and thus prevent unfastening or loosening due to those vibrations. They increase the elastic properties of a joint.
Lock Washers
Lock washers secure fasteners that might otherwise rotate or lose friction.
