What are serrated washers called?
shake-proof serrated washers
Serrated washers, often referred to as shake-proof serrated washers, are fitted internally to equipment – usually before a locknut – to act as an anti-vibration device. This prevents the accessory from inadvertently loosening during the application’s process.
How do you use a lock washer with teeth?
Place the lock washer under the threaded fastener and ensure that it has a snug fit. If using a lock washer with teeth, make sure they will engage with the appropriate surfaces. If they don’t, swap out the washer for the appropriate one. Turn the fastener with a ratchet or wrench until it tightens to a firm connection.
What happens if you dont use a washer?
Most notably, washers protect the surface from damage during installation. They distribute the pressure and prevent the fastener from moving or corroding. Skipping on washers can dramatically reduce the lifespan of how your product is put together. Ultimately, that leads to disaster for the product itself.
Do you use a flat washer 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.
Do you need a washer under a nut?
The washer helps prevent damage to the surface of the object being fastened. In most cases where the bolt is easier to turn, the bolt has a round head that will cause less damage anyway. For the same reason, lock washers always go on the nut side to stop the nut moving.
What comes first flat washer or lock washer?
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 does a serrated washer do for a locknut?
Available in Stainless Steel, these ‘shake-proof’ Serrated Washers are fitted internally to the equipment before a locknut and act as an anti-vibration device to prevent the Cable Gland or accessory from inadvertently loosening in service.
What do serrated washers do for cable glands?
Serrated Washers Accessories for cable glands, available in stainless steel. Available in Stainless Steel, these ‘shake-proof’ Serrated Washers are fitted internally to the equipment before a locknut and act as an anti-vibration device to prevent the Cable Gland or accessory from inadvertently loosening in service.
What are serrated Belleville Lock washers used for?
Serrated Belleville washers are conical pieces of hardware with grooves on the surface. They are used to distribute tension at a joint, and though they won’t provide as much locking force as other lock washers, they can be useful when dealing with extremely large, tense loads.
When do you need to replace serrated lock washer?
Serrated lock washers are installed between the bolt head/nut and the mating surface. The bolted joint is then tightened in the same way as an unsecured bolt. If the bolted joint experiences a loss of tension, the washer is no longer effective and must be replaced.