What is a Washer?
A washer is a thin, disk-shaped plate with a hole in the middle, typically used to distribute the load of a threaded fastener, such as a screw or nut. They can also serve as spacers, springs, wear pads, pre-load indicating devices, and locking devices.
Our washers come in a variety of forms, each of which are available in a range of finishes. The various types of washers are as follows.
Types of Washers
Flat Washers
The most common type of washer, flat washers are used to distribute the load of a threaded fastener, reducing the risk of damage to the material being fastened. They're predominantly used in general-purpose applications, providing a smooth-bearing surface.
Spring Washers
A spring washer features a division in the washer part that, when fastened, each segment of the division digs into the nut and the mounting surface. This "digging" action inhibits any counter-clockwise movement from happening due to vibration.
Nord-Lock Washers
Nord-Lock washers use a unique wedge-locking mechanism to prevent fastener loosening. They come in pairs with interlocking cams and radial teeth that create a tension load. They're most effective when used in high-vibration environments like heavy machinery, transportation, and wind turbines.
Penny Washers
Penny washers boast a larger diameter compared to the hole size, providing a larger surface area for load distribution. They can most often be seen in automotive applications, plumbing, and sheet metal work.
Square Plate Washers
Square plate washers are larger and square-shaped than most, providing a greater bearing surface area. They're commonly used in construction, wood structures, and heavy-duty applications.
Repair Washers
Repair Washers – Washers with a large outside diameter often used on weak or damaged surfaces
Shakeproof Washers
Shakeproof Washers – Serrated, anti-vibration locking washers commonly used in the electrical industry.
Taper Washers
Taper Washers – Commonly used on tapered steel joists to give a level seating
Crinkle Washers
Crinkle Washers – A wave shaped anti-vibration washer used when only light pressure may be applied to the item being clamped
Starlock Washers
Starlock Washers – Push-on serrated washers commonly used on pram and pushchair axles
More details are available on each of these types of washers within the relevant subsections, but if you need any further information please do not hesitate to contact us.
