| Threads (d) |
s |
e |
m |
| M6 |
10.00 |
11.05 |
6.00 |
| M8 |
13.00 |
14.38 |
6.50 |
| M10 |
17.00 |
18.90 |
8.00 |
| M12 |
19.00 |
21.10 |
10.00 |
| M16 |
24.00 |
26.75 |
13.00 |
| M20 |
30.00 |
32.95 |
16.00 |
| M24 |
36.00 |
39.55 |
19.00 |
| M27 |
41.00 |
45.20 |
22.00 |
| M30 |
46.00 |
50.85 |
24.00 |
| M33 |
50.00 |
55.37 |
26.00 |
| M36 |
55.00 |
60.79 |
29.00 |
| M39 |
60.00 |
66.44 |
31.00 |
| M42 |
65.00 |
71.30 |
34.00 |
| M45 |
70.00 |
76.95 |
36.00 |
| M48 |
75.00 |
82.60 |
38.00 |
| M52 |
80.00 |
88.25 |
42.00 |
| M56 |
85.00 |
93.56 |
45.00 |
| M64 |
95.00 |
104.86 |
51.00 |
| M72 |
105.00 |
116.16 |
58.00 |
| Proof Load |
Size Range |
Equivalent Standards |
| Property Class |
Diameter |
Length |
| PSI |
N/mm2 |
Grade |
Metric |
Inch |
Metric |
Inch |
IS |
ISO |
DIN |
BS |
ANSI |
JIS |
| 74000 to 174000 |
510 to 1200 |
4 to 12 |
M6 to M72 |
0.2 " to 2.8 " |
- |
- |
1363-3 1364-3 |
4034 4032 |
934 |
1083 1768 |
B18.2.4.1M B.18.2.2 |
B1181 |
Understanding of Hex Nuts
A hex nut is a six-sided internally threaded fastener designed to secure components by threading onto a bolt or screw. Its hexagonal shape allows for easy tightening with standard wrenches or sockets. Hex nuts are widely used in construction, machinery, and automotive applications due to their versatility and reliability. They come in various grades, such as Grade 2, Grade 5, and Grade 8, each offering different mechanical properties to suit specific requirements. Common materials include carbon steel, stainless steel, and brass, providing options for corrosion resistance and strength. Hex nuts are available in both standard and metric sizes, accommodating a wide range of bolt dimensions. Their straightforward design and ease of use make them a staple in fastening solutions across multiple industries.
Applications of Hex Nuts
Hex nuts are essential components in numerous industries, including construction, machinery, automotive, and electronics. In construction, they are used to secure structural elements, ensuring the stability and safety of buildings and infrastructure. In machinery, hex nuts fasten parts such as gears, motors, and frames, maintaining the integrity and functionality of equipment. The automotive industry relies on hex nuts to secure engine components, suspension systems, and body parts, ensuring vehicle safety and performance. In electronics, they are used to secure components within devices, maintaining structural integrity and functionality.
Advantages of Hex Nuts
The primary advantage of hex nuts is their versatility and ease of use. Their hexagonal shape allows for quick and efficient tightening with standard tools, making them suitable for a wide range of applications. Hex nuts are available in various grades and materials, providing options to meet specific strength and corrosion resistance requirements. Their simple design and availability in numerous sizes make them a cost-effective solution for fastening needs. Additionally, hex nuts are compatible with a wide range of bolts and screws, enhancing their adaptability in different fastening scenarios.
Materials Used for Hex Nuts
Hex nuts are available in a variety of materials, each chosen based on the specific requirements of the application. Common materials include carbon steel, stainless steel, and brass. Carbon steel hex nuts are known for their strength and are often used in general-purpose applications. Stainless steel hex nuts offer excellent corrosion resistance, making them ideal for outdoor or marine environments. Brass hex nuts provide good corrosion resistance and are often used in electrical applications due to their conductivity. The choice of material depends on factors such as environmental conditions, required strength, and resistance to corrosion.
Installation and Maintenance
Installing a hex nut is a straightforward process. To install, simply thread the hex nut onto the bolt or screw and tighten it using a wrench or socket. It is important to ensure that the hex nut is compatible with the bolt and that both are of the same grade to ensure optimal performance. While hex nuts require minimal maintenance, it is important to check for signs of wear, rust, or corrosion over time. If necessary, replace the hex nut or the bolt to maintain the integrity of the connection and prevent loosening.
Hex Nut Variations and Sizes
Hex nuts come in a range of sizes, typically corresponding to the standard nut sizes they are used with. They are available in various thread pitches and diameters to suit different applications. Some hex nuts feature a thin profile, while others are thicker, providing additional locking strength for heavy-duty applications. It is important to select the correct hex nut size to ensure compatibility with the bolt and the overall fastening system.