Heavy Hex Nut Grade

Jam Nutfine thread nut
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02/10/2021
Heavy Hex Nut
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01/10/2021
bolt

Heavy Hex Nut Grade

Material: Carbon Steel, Alloy Steel, Stainless Steel
Standard: ASME/ANSI B18.2.2 ISO4775
Measurement system: INCH, Metric
Size: 1/4''–4’’; M6 – M100
Grade / Class: ASTM A194 2, 2H, 4, 7, 7M,8, 8M; A563 Gr. A, C,
Thread: M, UNC, UNF
Finish: Black Oxide, Zinc Plated(Clear/Blue/Yellow/Black),H.D.G , Y.Z.P ,Plain, Nickel, Chrome.


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ANSI ASME 18.2.2 ANSI ASME B 18.2.4.6M

Metric Heavy Hex Nut Dimensions Image

Heavy Hex Nut
Heavy Hex Nut
Heavy Hex Nut

Metric Heavy Hex Nut Dimensions Drawing

Heavy Hex Nut 1
Heavy Hex Nut 2

Metric Heavy Hex Nut Dimensions Description

Heavy hex nuts are slightly larger and thicker than standard (finished) hex nuts. There are numerous grades and the heavy pattern is typically used for large diameter and high strength bolts. See our nut compatibility chart to determine the compatible heavy hex nut(s) for a specific grade of bolt.

What is the difference between a standard hex nut and a heavy hex nut?
A standard hex nut, also referred to as a finished hex nut, has a smaller width across the flats and corners compared to a heavy hex nut, and a heavy hex nut is slightly thicker than a standard hex nut of the same nominal size