Complete Guide to Heavy Hex Nut Dimensions in Inches and MM
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in MM, Heavy Hex Nut Dimensions in Inches, ASME B18.2.2, ASME B18.2.4.6M, ISO, and UNC.
Heavy hex nuts are commonly used in various types of construction and manufacturing applications. These types of nuts are larger and heavier compared to standard hex nuts, making them ideal for use in situations where high loads and pressures are expected. Heavy hex nuts come in various dimensions, ranging from fractions of an inch to several inches in diameter. In this blog, we will discuss the heavy hex nut dimensions in MM, inches, and the different standards that govern these dimensions.
ASME B18.2.2 and ASME B18.2.4.6M
The American Society of Mechanical Engineers (ASME) regulates the standards for hex nuts in the US. The hex nut dimensions in inches are covered in ASME B18.2.2, Square, and Hex Nuts. However, the metric dimensions are covered in ASME B18.2.4.6M Heavy Hex Nuts. These standards provide the dimensions for a wide range of hex nuts, including standard and heavy hex nuts, as well as those with different threads, such as UNC, UNF, and metric threads.
Heavy Hex Nut Dimensions in MM
ISO is the international organization responsible for setting the standard for the dimensions of heavy hex nuts in MM. The heavy hex nut dimensions in MM are based on the ISO 4032 standard, which covers the specifications for heavy hex nuts with a thread from M1.6 to M160. The dimensions set forth in this standard ensure that heavy hex nuts are compatible with bolts and other fasteners with the same thread specifications.
UNC Heavy Hex Nut Dimensions
The Unified National Coarse (UNC) thread is commonly used in the US for fasteners. The UNC heavy hex nut dimensions are set out in ASME B18.2.2, which specifies the dimensions for UNC hex nuts ranging in size from 1/4 inch to 4 inches in diameter. For example, a 1/4 inch UNC heavy hex nut has the dimensions of 0.250-20UNC-2B, while a 4 inch UNC heavy hex nut has the dimensions of 4.000-4UNC-2B.
ISO Heavy Hex Nut Dimensions
The ISO 4032 standard covers the dimensions of heavy hex nuts in MM. The ISO heavy hex nut dimensions range from M3 to M160. For example, an M3 heavy hex nut has the dimensions of M3x0.5-6H, while an M160 heavy hex nut has the dimensions of M160x3-6H. The ISO standard ensures that hex nuts of different sizes are compatible with bolts and other fasteners with the same thread specifications.
In conclusion, heavy hex nuts are essential fasteners in various industries, and it is crucial to have a good understanding of their dimensions when selecting the right one for the job. The ASME and ISO standards provide comprehensive specifications for heavy hex nuts in MM and inches, ensuring proper compatibility between nuts and bolts. If you are in the market for heavy hex nuts, ensure that you consult these standards to make the best selection for your specific application.