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How to Use Din975 Flat Washer

  • Release date:09-01-2017
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    Nuts and bolts are common household fasteners that have […]

    Nuts and bolts are common household fasteners that have a multitude of uses. While they may be effect by themselves, oftentimes the addition of a washer to one or both sides can increase their strength, appearance and efficiency. Different types of washers provide different advantages.

    There are many different types of flat washers to choose from. A flat washer is used with nuts or bolts which is consist of stainless or carbon steel. The main purpose of a flat washer is to distribute the weight or pressure applied to the object being bolted together.

    Fender Washers

    Fender washers are generally used for light- to medium-duty applications. This may include auto body repair, plumbing repair or electrical work. Fender washers are often used in sheet-metal fabrication. Users can use them to hang drywall or install wood paneling. Fender washers usually have a larger outside diameter than standard washers.

    Type-A Washers

    Type-A flat washers are a series of steel washers. Type-A washers work within a wide range of tolerances and are ideally suited towards work that does not require a high level of refinement. Most type-A flat washers range in size from a No. 6 to 3-inch hole size. Outer diameters may range from 3/16 to 5 1/2 inches.

    Type-B Washers

    Type-B flat washers are higher in quality than other washers. These are available in No. 0 to 3-inch hole size. Type-B washers may be used in more specific applications where certain qualities may be necessary. Type-B washers come in different styles, including narrow, regular or wide diameter.

    Nylon Washers

    In some applications, Nylon flat washers may be used to replace metal washers. Nylon washers are lightweight and are better insulators than metal washers. They are not as strong but are more resistant to certain chemicals. Standard sizes for nylon flat washers are 1/4 inch, 3/8 inch, 1/2 inch, 5/8 inch and 3/4 inch.

    Select a flat washer that just fits over the thread of a bolt and place it on the bolt.

    Insert the bolt in a hole drilled through the material to be fastened. The hole can be a through-hole, or one threaded to receive the bolt.

    Tighten the bolt in the hole if the hole is threaded. In the event of a through-hole, place a second flat washer on the end of the bolt and then a lock washer if needed and finally the proper-sized nut to fit the bolt.

    Tighten the bolt and nut with wrenches.

    Use one flat washer when the receiving hole is threaded and two when bolting two or more pieces together or if the material being secured is soft or slotted. Flat washers prevent the nut and bolt from digging in the the soft material or slot edges.