M8 x 20 Flat Washer A Comprehensive Guide In the vast world of hardware and fasteners, the M8 x 20 flat washer serves as a versatile and essential component. This article delves into the details of what this washer is, its uses, materials, sizes, and how to select the right one for your specific needs. What Is an M8 x 20 Flat Washer? An M8 x 20 flat washer is a thin, flat circular disc made of metal, typically steel or stainless steel. It is designed to be used in conjunction with screws, bolts, and other fasteners to provide a smooth surface against which the fastener can bear its load, distribute pressure evenly, and prevent damage to the material being fastened. Uses of M8 x 20 Flat Washers Flat washers are used in a wide range of applications due to their ability to provide a flat, even surface and distribute pressure effectively. Some common uses include * Securing nuts and bolts in place to prevent loosening due to vibration or thermal expansion. * Providing a barrier between two surfaces to prevent corrosion or electrical conductivity. * Enhancing the appearance of finished assemblies by providing a clean, finished edge. Materials for M8 x 20 Flat Washers The most common materials used to make M8 x 20 flat washers are carbon steel and stainless steel. Carbon steel is a relatively inexpensive option that is suitable for most applications. However, it may not be suitable for environments where corrosion resistance is critical, such as marine or chemical processing applications. Stainless steel, on the other hand, is more expensive but offers superior corrosion resistance and durability. Sizes of M8 x 20 Flat Washers The M8 in the name of this flat washer refers to its thread size, which is measured according to the ISO metric system Sizes of M8 x 20 Flat Washers The M8 in the name of this flat washer refers to its thread size, which is measured according to the ISO metric system Sizes of M8 x 20 Flat Washers The M8 in the name of this flat washer refers to its thread size, which is measured according to the ISO metric system Sizes of M8 x 20 Flat Washers The M8 in the name of this flat washer refers to its thread size, which is measured according to the ISO metric systemm8 flat washer. The 20 indicates the length of the washer in millimeters. Therefore, an M8 x 20 flat washer has an outer diameter of approximately 10 millimeters and a thickness of 2 millimeters. Other common sizes of flat washers include M6 x 16, M10 x 25, and M12 x 30. How to Select the Right M8 x 20 Flat Washer When selecting an M8 x 20 flat washer, it's important to consider several factors, including * The material of the washer As mentioned earlier, carbon steel and stainless steel are the most common materials used to make flat washers. Choose the material that best suits your application requirements. * The thickness of the washer The thickness of the washer should be chosen based on the amount of pressure that will be applied to the fastener. Thicker washers can withstand higher loads, but they may also add extra bulk to the assembly. * The type of coating or finish Some flat washers may be coated or finished to provide additional protection against corrosion or improve their appearance. Consider whether these features are necessary for your application. * The brand and quality When selecting an M8 x 20 flat washer, it's important to choose a reputable brand that produces high-quality products. Look for certifications or standards that indicate the washer has been tested and meets certain quality standards.