Flat washers control friction at the contact area of attachment points. They allow precise torque application on a variety of surfaces. Desormeau carries a variety of flat washer types, such as USS, SAE Type A and Type B, F436.
Spring lockwashers act as a brake, thus reducing loosening due to vibration.
Double Coil Lockwashers
Double coil lockwashers act as a brake, thus reducing loosening due to vibration.
Fender washers have a larger diameter to reduce pressure on materials that have a lower hardness. Often used with sheet metal.
Beveled washers are for structural elements in places that require an angled contact area, such as in electrical poles.
Timber washers are specially designed to protect wood substrate from bolt nut damage.
Hardened Clipped Washers F346
Hardened clipped washers help to prevent loosening due to vibration; their straight edges can lock with tangs as found on certain specialized nuts.
Belleville washers’ shape enters into the substrate material and reduces loosening due to vibration
Internal Tooth Lockwashers
Internal tooth lockwashers are used in light assemblies made with smaller head screws. They are also used for aesthetic or safety reasons where it is best to hide the teeth.
External Tooth Lockwashers
External tooth lockwashers are used in light assemblies. It is recommended to use this kind of fastener with a fastener having a large enough head to make contact with the washer teeth.
Internal / External tooth lockwashers
Internal / External tooth lockwashers are used where a larger contact surface is desired.
External Countersunk Tooth Lockwashers
External countersunk tooth lockwashers are used with flat or oval countersunk angle screws