Clipped WashersThreaded fasteners, such as a bolt or nut, often include a washer. The washer is usually a flat disc with a hole at the center. They distribute the load of a fastener across a broader area and can also be used as spacers, springs, shims, wear pads, or locking devices. 

Many types of washers are available on the market today, one of which is the clipped washer. But what is it, and what are its primary functions? Here’s everything you need to know about clipped washers.

What are Clipped Washers?

Clipped washers, also known as D-washers, are types of washers with a flat edge on either the inside diameter (ID), outside diameter (OD), or both. These flat edges help the washer grip the surface it is being used on, preventing it from rotating. The added gripping power makes them ideal for high vibration or loose tolerance applications. 

Generally, clipped washers get used in situations with limited space that does not allow a regular flat round washer to fit or when the application calls for a more secure grip. They are ideal where a nut or bolt needs tightening beyond the snug-tightened stage. Snug-tight is when the fastener is tightened until there is no play or movement in the joint. 

That’s because a standard washer can rotate along with the nut or bolt when used in snug-tight applications. That can loosen the grip and eventually lead to joint failure. Their functionality comes from providing a broad, flat-bearing surface within an assembly.

Clipped washers get placed under the head of a bolt or screw and against a nut to disperse the load created when tightening. The flat edges of the washer face a recessed hole or a flat surface, which prevents it from turning.

What are Clipped Washers Made From? 

Clipped washers get stamped out of a single piece of metal or non-metal and then form the desired shape. You can get them from a variety of materials, including:

  • Spring steel
  • Stainless steel
  • Aluminum
  • Mild Steel
  • Plastics
  • Copper
  • Brass
  • 2000 other stock metal and non-metals

Depending on the situation, you can choose from various materials. You will also select your preferred thickness and sizes. 

Clipped Washers Sizes

Clipped washers are available in a wide range of sizes. The most common metric sizes are:

  • OD 0.6600 + .030 – .030 FLATSIDE
  • OD 1.0000 +.003 – .010 FLATSIDE
  • OD 1.5000 + .010 – .010 D-SHAPE
  • OD 1.5000 + .030 – .007
  • OD 1.8900 + .030 – .030
  • OD 1.9600 + .010 – .010
  • OD 2.0000 + .010 – .010 D-SHAPE
  • OD 3.4650 + .004 – .004

Clipped Washers Applications/Uses 

Clipped washers have many applications, but they are most commonly used in the welding industry. You can find them in industries such as:

  • Automotive
  • Aerospace
  • Merine
  • Medical 
  • Oil and Gas

A clipped washer is an excellent option if you want a washer with added gripping power. Our team of experts can help you choose the best washer for your application. When you partner with us, you can rest assured of quality and fast delivery with no minimum order size. Contact us today to learn more!

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