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Washers are a mechanical component that is generally placed between the nut of a bolt or under the head of a screw and the component to be locked. For many, this particular part is relegated to the task of increasing the locking of the bolted union to the component to be fixed.
To best meet the different mechanical needs, there are various types of washers, among the main ones we find:
- Flat or support washers
- Spring or Grower washers
- Serrated or toothed washers
- Conical washers
- Lock washers
- Sealing washers
In this article, we will see in detail the characteristics and functions of serrated washers, also called toothed washers. This type of items is easily recognizable by the characteristic serration, which is found on the internal or external part (in some special cases on both), to distinguish them, in the product nomenclature the letter “A” indicates the external serration, while the letter “I” identifies the internal one.
Among the main articles of washers with serration, in our assortment you will find:
- External serration split teeth flanged spring washer Din 6797 Uni 8841
- External serration overlapping teeth spring washer Din 6798 Uni 8842
- Serrated safety spring washer
- Serrated lock washer Din 70952
The type of steel with which these items are made, thanks to its characteristic elasticity, allows the serrated parts to "cut into" and secure onto materials like wood and light alloys.
Some types of serrated spring washers are also available on the market in stainless steel A2 (AISI 304).
Visit our website's dedicated section for washers, click here!
