What size washer do I need for a bolt?

How do I know what size washer I need for bolts?

Washer sizes correspond to the screw/bolt diameter they fit. For example, a 1/2” washer fits a 1/2” bolt, and therefore has an inner diameter of just over 1/2”.

Should washer be same size as bolt?


It is important to note that when matching a washer with a screw or a bolt, the diameter of the shaft of the screw or bolt should be matched to the inner diameter of the washer. For example, a ¾-16 bolt should be matched with a ¾ washer.

What washers work with bolts?

Plain Washers

A flat washer is the preferred intermediary between the head of a bolt (or nut) and the object being attached. Its primary purpose is to spread the load of a tightened fastener to prevent damage to the joining surface.

Is 4.5 cubic feet a big washer?

Generally speaking, 4 cubic feet is enough to wash 12-16 pounds of laundry. A larger capacity unit at 4.5 cubic feet can hold up to 20 pounds of laundry. … One to two person household can use a small to medium size washer (1.8 to 3.5 cu ft) while a family should opt for a large washer (3.6 to 5.1 cu ft).

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What size washer do I need for 1/4 inch bolt?

Flat Washer Dimensions

Bolt Size USS SAE
7/32 (#12) 0.562
1/4 (#14) 0.734 0.625
5/16 0.875 0.688
3/8 1.000 0.812

Does the washer go next to the nut or bolt?

The washer helps prevent damage to the surface of the object being fastened. In most cases where the bolt is easier to turn, the bolt has a round head that will cause less damage anyway. For the same reason, lock washers always go on the nut side to stop the nut moving.

How do you fit a washer to a bolt?

To use your washer and bolt properly, first insert the bolt into the washer. Next, slide the bolt and washer into the mounting hole. Once the bolt is threaded into the hole, begin turning the head of the bolt using the appropriate sized wrench. Tighten the bolt down to the washer until the head contacts the washer.

What does a #8 screw mean?

Their size is described as diameter, number of threads per inch (if used with a nut or in a threaded hole), and length in inches. … In all cases, the larger the number, the larger the size. Consequently a #8 screw is larger than a #4 screw, just as a 3 inch bolt is larger than a 2 inch bolt.

How do I know what size nut and bolt to get?

A typical rule of thumb . . . Use a bolt diameter that is 1.5 – 2.5 times (up to three times) the thickness of the thinner material you are bolting together. So, for 1/8″ material, a 1/4″ diameter is often a good bolt choice. For 1/4″ thick material, perhaps a 3/8″ or 1/2″ bolt.

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Do you need washers on bolts?

The primary purpose of most washers is to evenly distribute the load of the threaded fastener with which they are used. Threaded fasteners stress the material in which they are driven. … Washers reduce the risk of such damage by evenly distributing the fastener’s load across the surface of the material.

When should you use washers with bolts?

Washers are used with bolt to give the nut a smooth, even surface to tighten against, better distribute pressure on softer materials and prevent pull-through. When are lock washers needed? Lock washers are needed when the fastener assembly is subject to vibration or wherever back off is considered an issue.

What size washer do I need for a 10mm bolt?

Metric Washers

Size Inside Diameter Outside Diameter
M6 6.4mm 12mm
M7 7.4mm 14mm
M8 8.4mm 16mm
M10 10.5mm 20mm

What are washer sizes?

Front-Load Washers and Dryers

General Dimensions of Front-Load Washers and Dryers Compact Full-Size
Width 24 inches 27 inches
Height 34 inches 39 inches
Depth (door closed) 24 inches* 32-34 inches*
Depth (door open) 42-44 inches* 54-57 inches*

What is a standard size washing machine?

Standard Washer and Dryer Dimensions

Front-loading and top-loading washing machines and dryers are about 27 inches wide by 35-43 inches high and 28-34 inches deep (without pedestals). Washing machines with a pedestal base are about 27 inches wide and anywhere from 47-55 inches high.