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Finished Hex Nuts

Finished Hex Nuts

Hex nuts are essential components in countless applications, offering secure fastening solutions for machinery, construction, and other critical systems. A finished hex nut is a six-sided fastener with internal threads that’s used to secure parts together with a bolt or screw. At Nickel Systems, we specialize in providing high-quality finished hex nuts crafted to meet stringent industry standards. Our extensive inventory includes hex nuts in a variety of materials, centered around exotic alloys like Inconel, Hastelloy, Duplex Stainless Steel and Monel. designed to withstand extreme environments, high temperatures, and corrosive conditions. Whether you require standard sizes or custom specifications, our hex nuts deliver reliable performance across diverse industries, including oil and gas, chemical processing, and aerospace. By choosing Nickel Systems, you’re investing in unparalleled durability and precision-engineered products backed by decades of expertise.

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Specifications & Technical Data

Finished hex nuts come in various sizes & strict specifications. View their dimensions & specifications below.

Download the Finished Hex Nut Dimensioning Table

Dimensions


Nominal Size

Basic Major Diameter of Thread
F G H
Width Across Flats Width Across Corners Thickness Hex Nuts
Min Max Min Max Min Max
1/4 0.2500 0.428 0.438 0.488 0.505 0.212 0.226
5/16 0.3125 0.489 0.500 0.557 0.577 0.258 0.273
3/8 0.3750 0.551 0.563 0.628 0.650 0.320 0.337
7/16 0.4375 0.675 0.688 0.768 0.794 0.365 0.385
1/2 0.5000 0.736 0.750 0.840 0.866 0.427 0.448
9/16 0.5625 0.861 0.875 0.982 1.010 0.473 0.496
5/8 0.6250 0.922 0.938 1.051 1.083 0.535 0.559
3/4 0.7500 1.088 1.125 1.240 1.299 0.617 0.665
7/8 0.8750 1.269 1.312 1.447 1.516 0.724 0.776
1 1.0000 1.450 1.500 1.653 1.732 0.831 0.887
1-1/8 1.1250 1.631 1.688 1.859 1.949 0.939 0.999
1-1/4 1.2500 1.812 1.875 2.066 2.165 1.030 1.094
1-3/8 1.3750 1.994 2.062 2.273 2.382 1.138 1.206
1-1/2 1.5000 2.175 2.250 2.480 2.598 1.245 1.317
1-5/8 1.6250 2.35 2.43 2.679 2.805 1.364 1.416
1-3/4 1.7500 2.538 2.625 2.893 3.031 1.460 1.540
1-7/8 1.8750 2.722 2.813 3.103 3.247 1.567 1.651
2 2.0000 2.900 3.0000 3.306 3.464 1.675 1.763
2-1/4 2.2500 3.263 3.375 3.719 3.897 1.890 1.986
2-1/2 2.500 3.625 3.750 4.133 4.330 2.105 2.209
2-3/4 2.7500 3.988 4.125 4.546 4.763 2.319 2.431
3 3.000 4.350 4.500 4.959 5.196 2.534 2.654
3-1/4 3.2500 4.713 4.875 5.373 5.629 2.749 2.877
3-1/2 3.500 5.075 5.250 5.786 6.062 2.964 3.100
3-3/4 3.7500 5.438 5.625 6.199 6.495 3.178 3.322
4 4.0000 5.800 6.000 6.612 6.928 3.393 3.545

Finished Hex Nut Specifications

  • STANDARD (ASME/ANSI)
    • ASME B18.2.2 – 2010
  • METRIC (IFI)
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Three Blue Hexagons Are Lined Up On A White Background Three Blue Hexagons Are Lined Up On A White Background

Industries We Serve

Nickel Systems provides high quality exotic grade materials that hold up in the toughest, most severe heat and corrosive environments. With our large inventory of specialty fasteners in stock, we are always ready to answer the call to serve the most challenging applications.

Nickel Systems maintains an inventory of hex nuts in Hastelloy® (Alloys C276, C22, B2, B3), Carpenter® 20 (Alloy 20), Inconel® 600 (Alloy 600), AL6XN®, Duplex 2205, Nitronic® 60, 317L Stainless, Nickel 200, 330 Stainless, 904L, 18-8 Stainless and 316 Stainless in stock at all times.

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