How To Use Lock Washers Diagram

Lock washers are used to keep screws and bolts from loosening especially as a result of vibration or changes in temperature. There are no set in stone standards for when to use lock.

Assembly Instruction 5070 90250

You see lock washers all the time around your home.

How to use lock washers diagram. Lock washers are installed by putting a bolt or screw through the center of the washer so that the washer is beneath the bolt or screw head or between the nut and the surface being fastened. In other words the bolt goes straight into the hole and doesnt poke out the other end so no nut is used. This is what lead to the internalexternal type kelly pointed out.

Why these lock washers are the only ones that actually work. Lock washers are usually used when bolting two pieces of metal together. Place the lock washer between the nut and the work surface if using a nut and bolt configuration or between the fastener head and the work surface if using a tapped hole configuration.

Stephen cox 164387 views. Check that the washer is tight against both surfaces and if the threaded fastener and washer both have grooves that theyre locked together. Rick im with you i believe using the 2 together negates the locking effect.

In my opinion its ok to use the flat washer beneath the bolt head for whatever reason you might want to do that but i feel the lock washer should only contact between the nut and the parent item that is being bolted. The external locks to the plastic the internal to the screw head. Installation guidelines for lock washers.

Also it is noteworthy in spring v star that star washers tap out around the 1 diameter whereas spring lock washer run to 2 diameter or more. To use a lock washer start by placing the washer under the nut or threaded fastener. The lock washer grips into the surface below the screw or bolt head helping to prevent the threads from loosening over time.

External Tooth Lock Washer Zero Products Inc