Stainless steel hex nuts are widely used in many mechanical and construction applications due to their inherent performance, durability and resistance to corrosion and superior strength. These fasteners are part of the fastener family that provides crucial service to join parts with high levels of security across machinery, automobiles, aerospace projects, and structural engineering projects.
Hex nuts are manufactured as six sided and can be easily screwed or unscrewed using spanners. Hexagonal is more efficient for torque and stability than any other nut shape, and this is why hex nuts are suitable for high vibration or heavy loads.
The material made of stainless steel hex nuts is one of the most important characteristics of the fastener. Stainless steel is an iron-chromium-nickel alloy with additional elements of molybdenum or titanium depending on the grade; its surface is resistant to corrosion, rusting and staining in wet or chemical conditions or high temperatures; therefore stainless steel nuts are in high demand for outdoor or marine and industrial use where exposure to moisture or chemicals is likely to occur.
The choice of the stainless steel grade depends on which grade is most suitable for the specific application needed, for general-purpose hex nuts the more commonly used 18-8 stainless steel (type 304) is used but for more specific applications like resistance to chlorides common in marine or coastal areas the higher grade 316 or 316L may be used.
Hex nuts made from stainless steel are even more beneficial in mechanical properties other than corrosion resistance including tensile strength. This is outstanding because it affirms that the fasteners can handle immensely high loads without bending, breaking or yielding, which makes them perfect for places that require rigid structural joint connections whose key priority is safety and strength.
Hex nuts are manufactured from stainless steel and the manufacturing process used is precision machining to give accurate dimensions and quality. There are different size, thread, and finish options to suit different applications; the options are plain, zinc plated, and nylon or zinc flake for corrosion or anti-vibration purposes, respectively.
Caliper Overseas is a reputed manufacturer and supplier offering Stainless Steel Hex Nuts. Being committed to offering the stainless steel hex nuts of high quality and precise measurement, we have a wide range of products to satisfy the needs of different industries. The products are made from quality materials and the latest technology that will make the products to last longer and be so reliable. In accordance with the main business objectives, the company’s main goal is to satisfy the needs of our customers by providing them with products of the highest quality.
Hex Nuts Size | M02 to M33 |
---|---|
Diameter | 1/2″ up to 4″ |
Threads Configuration | ASME B1.1 2A/3A Inch Unified Threads and B1.13M 6h Metric Coarse Threads |
Length | 3 mm to 200 mm |
Types | Heavy Hex Nuts, Large Heavy Hex Nuts, Heavy Hex Jam Nut, Heavy Hex Coupling Nut, Heavy Duty Hex Nuts |
Dimensions | ASME B18.2.2 Heavy Hex Nuts, ASME B18.2.4.6M Metric Heavy Hex Nuts |
Application | Wind tower, Nuclear power, Railway, Automotive industry, Construction, Electronic industry |
Manufacturing Process | Cold Heading, Insert tapping, Heat Treatment, Surface Plating, Inspection, Packing |
Coatings | Black Oxide, Cadmium, Galvanized, Teflon, Xylan, Zinc, Others Upon Request |
Nominal Size |
TPI |
Unit |
Width Across Flats |
Width Across Corners |
Thickness Hex Nut |
Minor diameter (Bore) |
Ran out of Bearing Face FIM |
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F |
G |
H |
(d) |
Specified Proof Load |
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Up to 150,000 psi |
150,000 psi and Greater |
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Min. |
Max. |
Min. |
Max. |
Min. |
Max. |
Min. |
Max. |
Max. |
|||||
1/4 |
0.25 |
20 UNC |
Inch |
0.428 |
0.438 |
0.488 |
0.505 |
0.212 |
0.226 |
0.196 |
0.207 |
0.015 |
0.010 |
mm |
10.87 |
11.13 |
12.40 |
12.83 |
5.38 |
5.74 |
4.98 |
5.26 |
|||||
5/16 |
0.3125 |
18 UNC |
Inch |
0.489 |
0.500 |
0.557 |
0.577 |
0.258 |
0.273 |
0.252 |
0.265 |
0.016 |
0.011 |
mm |
12.42 |
12.70 |
14.15 |
14.66 |
6.55 |
6.93 |
6.40 |
6.73 |
|||||
3/8 |
0.375 |
16 UNC |
Inch |
0.551 |
0.562 |
0.628 |
0.650 |
0.320 |
0.337 |
0.307 |
0.321 |
0.017 |
0.012 |
mm |
14.00 |
14.27 |
15.95 |
16.51 |
8.13 |
8.56 |
7.80 |
8.15 |
|||||
7/16 |
0.4375 |
14 UNC |
Inch |
0.675 |
0.688 |
0.768 |
0.794 |
0.365 |
0.385 |
0.360 |
0.376 |
0.018 |
0.013 |
mm |
17.15 |
17.48 |
19.51 |
20.17 |
9.27 |
9.78 |
9.14 |
9.55 |
|||||
1/2 |
0.5 |
13 UNC |
Inch |
0.736 |
0.750 |
0.840 |
0.866 |
0.427 |
0.448 |
0.417 |
0.434 |
0.019 |
0.014 |
mm |
18.69 |
19.05 |
21.34 |
22.00 |
10.85 |
11.38 |
10.59 |
11.02 |
|||||
9/16 |
0.5625 |
12 UNC |
Inch |
0.861 |
0.875 |
0.982 |
1.010 |
0.473 |
0.496 |
0.472 |
0.490 |
0.020 |
0.015 |
mm |
21.87 |
22.23 |
24.94 |
25.65 |
12.01 |
12.60 |
11.99 |
12.45 |
|||||
5/8 |
0.625 |
11 UNC |
Inch |
0.922 |
0.938 |
1.051 |
1.083 |
0.535 |
0.559 |
0.527 |
0.546 |
0.021 |
0.016 |
mm |
23.42 |
23.83 |
26.70 |
27.51 |
13.59 |
14.20 |
13.39 |
13.87 |
|||||
3/4 |
0.75 |
10 UNC |
Inch |
1.088 |
1.125 |
1.240 |
1.299 |
0.617 |
0.665 |
0.642 |
0.663 |
0.023 |
0.018 |
mm |
27.64 |
28.58 |
31.50 |
32.99 |
15.67 |
16.89 |
16.31 |
16.84 |
|||||
7/8 |
0.875 |
9 UNC |
Inch |
1.269 |
1.312 |
1.447 |
1.516 |
0.724 |
0.776 |
0.755 |
0.778 |
0.025 |
0.020 |
mm |
32.23 |
33.32 |
36.75 |
38.51 |
18.39 |
19.71 |
19.18 |
19.76 |
|||||
1 |
1.000 |
8UNC |
Inch |
1.450 |
1.500 |
1.653 |
1.732 |
0.831 |
0.887 |
0.865 |
0.890 |
0.027 |
0.022 |
mm |
36.83 |
38.10 |
41.99 |
43.99 |
21.11 |
22.53 |
21.97 |
22.61 |
|||||
1-1/8 |
1.125 |
8UN |
Inch |
1.631 |
1.688 |
1.859 |
1.949 |
0.939 |
0.999 |
0.990 |
1.015 |
0.030 |
0.025 |
mm |
41.43 |
42.88 |
47.22 |
49.50 |
23.85 |
25.37 |
25.15 |
25.78 |
|||||
1-1/4 |
1.250 |
8UN |
Inch |
1.812 |
1.875 |
2.066 |
2.165 |
1.030 |
1.094 |
1.115 |
1.140 |
0.033 |
0.028 |
mm |
46.02 |
47.63 |
52.48 |
54.99 |
26.16 |
27.79 |
28.32 |
28.96 |
|||||
1-3/8 |
1.375 |
8UN |
Inch |
1.994 |
2.062 |
2.273 |
2.382 |
1.138 |
1.206 |
1.240 |
1.265 |
0.036 |
0.031 |
mm |
50.65 |
52.37 |
57.73 |
60.50 |
28.91 |
30.63 |
31.50 |
32.13 |
|||||
1-1/2 |
1.500 |
8UN |
Inch |
2.175 |
2.250 |
2.480 |
2.598 |
1.245 |
1.317 |
1.365 |
1.390 |
0.039 |
0.034 |
mm |
55.25 |
57.15 |
62.99 |
65.99 |
31.62 |
33.45 |
34.67 |
35.31 |
|||||
1-5/8 |
1.625 |
8UN |
Inch |
2.350 |
2.430 |
2.679 |
2.805 |
1.364 |
1.416 |
1.490 |
1.515 |
0.044 |
0.038 |
mm |
59.69 |
61.72 |
68.05 |
71.25 |
34.65 |
35.97 |
37.85 |
38.48 |
|||||
1-3/4 |
1.750 |
8UN |
Inch |
2.538 |
2.625 |
2.893 |
3.031 |
1.460 |
1.540 |
1.615 |
1.640 |
0.048 |
0.041 |
mm |
64.47 |
66.68 |
73.48 |
76.99 |
37.08 |
39.12 |
41.02 |
41.66 |
|||||
1-7/8 |
1.875 |
8UN |
Inch |
2.722 |
2.813 |
3.103 |
3.247 |
1.567 |
1.651 |
1.740 |
1.765 |
0.051 |
0.044 |
mm |
69.14 |
71.45 |
78.82 |
82.47 |
39.80 |
41.94 |
44.20 |
44.83 |
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2 |
2.000 |
8UN |
Inch |
2.900 |
3.000 |
3.306 |
3.464 |
1.675 |
1.763 |
1.865 |
1.890 |
0.055 |
0.047 |
mm |
73.66 |
76.20 |
83.97 |
87.99 |
42.55 |
44.78 |
47.37 |
48.01 |
|||||
2-1/4 |
2.250 |
8UN |
Inch |
3.263 |
3.375 |
3.719 |
3.897 |
1.890 |
1.986 |
2.115 |
2.140 |
0.061 |
0.052 |
mm |
82.88 |
85.73 |
94.46 |
98.98 |
48.01 |
50.44 |
53.72 |
54.36 |
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2-1/2 |
2.500 |
8UN |
Inch |
3.625 |
3.750 |
4.133 |
4.330 |
2.105 |
2.209 |
2.365 |
2.390 |
0.068 |
0.058 |
mm |
92.08 |
95.25 |
104.98 |
109.98 |
53.47 |
56.11 |
60.07 |
60.71 |
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2-3/4 |
2.750 |
8UN |
Inch |
3.988 |
4.125 |
4.546 |
4.763 |
2.319 |
2.431 |
2.615 |
2.640 |
0.074 |
0.064 |
mm |
101.30 |
104.78 |
115.47 |
120.98 |
58.90 |
61.75 |
66.42 |
67.06 |
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3 |
3.000 |
8UN |
Inch |
4.350 |
4.500 |
4.959 |
5.196 |
2.534 |
2.654 |
2.865 |
2.890 |
0.081 |
0.070 |
Size | Weight |
---|---|
M1 | 0.030 |
M1.2 | 0.054 |
M1.4 | 0.063 |
M1.6 | 0.076 |
M2 | 0.142 |
M2.5 | 0.280 |
M3 | 0.384 |
M3.5 | 0.514 |
M4 | 0.81 |
M5 | 1.23 |
M6 | 2.50 |
M7 | 3.12 |
M8 | 5.20 |
M10 | 11.6 |
M12 | 17.3 |
M14 | 25.0 |
M16 | 33.3 |
M18 | 49.4 |
M20 | 64.4 |
M22 | 79 |
M24 | 110 |
M27 | 165 |
M30 | 223 |
M33 | 288 |
M36 | 393 |
M39 | 502 |
M42 | 652 |
M45 | 800 |
M48 | 977 |
M52 | 1220 |
M56 | 1420 |
M60 | 1690 |
M64 | 1980 |
M68 | 2300 |
M72 | 2670 |
M76 | 3040 |
M80 | 3440 |
M85 | 3930 |
M90 | 4930 |
M100 | 6820 |
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