You can find Vibration proof Double ended self locking washers in lots of cars—they’re used in things like brake calipers, suspension parts, and engine mounts. Unlike basic washers, these lock down harder and don’t come loose easily. That’s really important for parts that are always vibrating or moving while you’re driving.
Car makers use these washers to keep bolts from coming loose over time.If bolts become loose, they can pose a serious safety hazard. These bolts are widely used in critical connection points on all types of vehicles. Even in complex road conditions or inclement weather, they must ensure that components are securely connected to ensure driving safety.
Without them, car parts would have to be checked and retightened more often. That’d mean more maintenance work and higher costs for both factories and car owners. Plus, since they work with regular bolts, it’s easy to add them to existing assembly lines—no special tools needed.
You'll find vibration proof double ended self locking washers in a lot of factory gear—like conveyor belts, robot arms, and big pumps. They're put where bolts could loosen from shaking. Since these machines usually run all day, every day, even one loose bolt can cause real problems or hold up work.
The good thing about these washers is that they lock by themselves. You don’t need extra items like locknuts or thread locker. That makes putting things together easier and means fewer parts to manage. For example, in a conveyor system, these washers help keep the rollers secure. Without them, rollers could come loose and stop the whole belt.
Maintenance crews prefer these washers too because they’re easy to remove and reuse during repairs—way simpler than some permanent locking methods that take more time to deal with. They also last a long time, even with regular use, so they don’t need to be changed out often.
Mon |
Φ20 |
Φ22 |
Φ24 |
Φ27 |
Φ30 |
Φ33 |
Φ36 |
Φ39 |
Φ42 |
Φ45 |
Φ48 |
d max | 21.6 | 23.6 | 25.5 | 28.6 | 31.6 | 34.6 | 37.6 | 40.6 | 43.5 | 46.7 | 50.1 |
d min | 21.2 | 23.2 | 25.1 | 28.2 | 31.2 | 34.2 | 37.2 | 40.2 | 43 | 46.2 | 49.6 |
dc max | 30.9 | 34.7 | 39.2 | 42.3 | 47.3 | 48.8 | 55.3 | 58.8 | 63.3 | 70 | 75 |
dc min | 30.5 | 34.3 | 38.8 | 41.7 | 46.7 | 48.2 | 54.7 | 58.2 | 62.7 | 68 | 73 |
H max | 3.65 | 3.65 | 3.65 | 6.05 |
6.05 |
6.05 |
6.05 |
6.05 |
6.05 |
7.75 |
7.75 |
H min | 3.15 | 3.15 | 3.15 | 5.55 |
5.55 |
5.55 |
5.55 |
5.55 |
5.55 |
6.25 | 6.25 |
A:A Vibration-proof Double-ended self-locking washer is a type of washer with curved ends on both sides. As you tighten a bolt, its ends are squeezed and embedded into the bolt head and mating surface, respectively. This creates a strong elastic pressure that prevents the bolt from loosening, even in environments subject to vibration or temperature fluctuations.