AYA FASTENERS Guide | Why Should You Choose Hexagon Cap Nuts?
Feb 09, 2023
Hex cap nuts are six-sided hexagon nuts that are commonly used to cover the threaded end. They can be used with several kinds of bolts and help in enclosing the threaded end and give an aesthetic touch to the joints. They also come in specific metric sizes and imperial sizes. What are the features of hexagon cap nuts? Why should you choose those and what are their uses? This article will walk you through answers to all such questions and more.
Description Of Hexagon Cap Nuts EMAIL: SALES@AYAFASTENERS.COM
Hex Cap nuts are fasteners that are made using many materials like carbon steel and stainless steel, etc. They are available with or without molded-in locking thread. The hex cap with locking thread is ideally used when a more secure assembly is required.

Hexagon Cap Nuts Dimensions Tables(DIN 917) Tel:400-010-0000
| Thread Size d |
M4 | M5 | M6 | M8 | M10 | M12 | (M14) | M16 | (M18) | M20 | ||||
| P | Coarse thread | series 1 | 0.7 | 0.8 | 1 | 1.25 | 1.5 | 1.75 | 2 | 2 | 2.5 | 2.5 | ||
| Fine thread | series 2 | / | / | / | 1 | 1.25 | 1.5 | 1.5 | 1.5 | 2 | 2 | |||
| series 3 | / | / | / | / | 1 | 1.25 | / | / | 1.5 | 1.5 | ||||
| da | max | 4.6 | 5.75 | 6.75 | 8.75 | 10.8 | 13 | 15.1 | 17.3 | 19.5 | 21.6 | |||
| min | 4 | 5 | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 | ||||
| dw | min | 5.9 | 6.9 | 8.9 | 11.6 | 14.6 | 16.6 | 19.6 | 22.5 | 24.9 | 27.7 | |||
| e | min | 7.66 | 8.79 | 11.05 | 14.38 | 17.77 | 20.03 | 23.35 | 26.75 | 29.56 | 32.95 | |||
| x | max | series 1 | 1.05 | 1.2 | 1.5 | 1.87 | 2.25 | 3.5 | 4 | 4 | 5 | 5 | ||
| series 2 | / | / | / | 1.5 | 1.87 | 3 | 3 | 3 | 4 | 4 | ||||
| series 3 | / | / | / | / | 1.5 | 2.5 | / | / | 3 | 3 | ||||
| g | max | series 1 | 2.75 | 3 | 3.7 | 4.9 | 5.6 | 6.4 | 7.3 | 7.3 | 9.3 | 9.3 | ||
| series 2 | / | / | / | 3.7 | 4.9 | 5.6 | 5.6 | 5.6 | 7.3 | 7.3 | ||||
| series 3 | / | / | / | / | 3.7 | 4.9 | - | - | 5.6 | 5.6 | ||||
| h | max=nominal size | 5.5 | 7 | 9 | 12 | 14 | 16 | 18 | 20 | 22 | 25 | |||
| min | 5.2 | 6.64 | 8.64 | 11.57 | 13.57 | 15.57 | 17.57 | 19.48 | 21.48 | 24.48 | ||||
| r | ≈ | 8 | 10 | 12 | 15 | 20 | 25 | 28 | 30 | 32 | 35 | |||
| s | max=nominal size | 7 | 8 | 10 | 13 | 16 | 18 | 21 | 24 | 27 | 30 | |||
| min | 6.78 | 7.78 | 9.78 | 12.73 | 15.73 | 17.73 | 20.67 | 23.67 | 26.16 | 29.16 | ||||
| t | max | 4.64 | 5.44 | 7.29 | 9.79 | 11.35 | 13.85 | 15.35 | 17.35 | 19.42 | 21.42 | |||
| min | 4.16 | 4.96 | 6.71 | 9.21 | 10.65 | 13.15 | 14.65 | 16.65 | 18.58 | 20.58 | ||||
| w | min | 1 | 1 | 1.5 | 2 | 2 | 2 | 2 | 2 | 2 | 2.5 | |||
| Thread Size d |
(M22) | M24 | (M27) | M30 | M36 | M42 | M48 | (M56) | (M64) | (M72) | ||||
| P | Coarse thread | series 1 | 2.5 | 3 | 3 | 3.5 | 4 | 4.5 | 5 | 5.5 | 6 | / | ||
| Fine thread | series 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 4 | 4 | 4 | |||
| series 3 | 1.5 | / | / | / | / | / | / | / | / | / | ||||
| da | max | 23.7 | 25.9 | 29.1 | 32.4 | 38.9 | 45.4 | 51.8 | 61 | 69.1 | 77.8 | |||
| min | 22 | 24 | 27 | 30 | 36 | 42 | 48 | 56 | 64 | 72 | ||||
| dw | min | 31.4 | 33.3 | 38 | 42.8 | 51.1 | 60 | 69.5 | 78.7 | 88.2 | 97.7 | |||
| e | min | 37.29 | 39.55 | 45.2 | 50.85 | 60.79 | 72.02 | 82.6 | 93.56 | 104.86 | 116.16 | |||
| x | max | series 1 | 5 | 6 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 12 | ||
| series 2 | 4 | 4 | 4 | 4 | 6 | 6 | 6 | 8 | 8 | 8 | ||||
| series 3 | 3 | / | / | / | / | / | / | / | / | / | ||||
| g | max | series 1 | 9.3 | 10.7 | 10.7 | 12.7 | 14 | 16 | 18.5 | 20 | 21 | 21 | ||
| series 2 | 7.3 | 7.3 | 7.3 | 7.3 | 10.7 | 10.7 | 10.7 | 14 | 14 | 14 | ||||
| series 3 | 5.6 | - | - | - | - | / | / | / | / | / | ||||
| h | max=nominal size | 28 | 30 | 32 | 34 | 44 | 52 | 58 | 68 | 75 | 85 | |||
| min | 27.48 | 29.48 | 31.38 | 33.38 | 43.38 | 51.26 | 57.26 | 67.26 | 74.26 | 84.13 | ||||
| r | ≈ | 35 | 40 | 50 | 60 | 70 | 80 | 90 | 110 | 130 | 130 | |||
| s | max=nominal size | 34 | 36 | 41 | 46 | 55 | 65 | 75 | 85 | 95 | 105 | |||
| min | 33 | 35 | 40 | 45 | 53.8 | 63.1 | 73.1 | 82.8 | 92.8 | 102.8 | ||||
| t | max | 22.42 | 24.42 | 26.42 | 28.42 | 36.5 | 42.5 | 48.5 | 56.6 | 62.6 | 67.6 | |||
| min | 21.58 | 23.58 | 25.58 | 27.58 | 35.5 | 41.5 | 47.5 | 55.4 | 61.4 | 66.4 | ||||
| w | min | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 5 | 5 | 5 | |||
Main features of Hexagon Cap Nuts EMAIL: SALES@AYAFASTENERS.COM
There are several types of cap nuts like bolt head and nut caps, snap-on nut caps, and others. Each of these serves a different purpose. The hexagon cap nuts sit well in the parts and help in smoothing out the edges. The common materials used are stainless steel as it gives a decorative look. In addition, stainless steel resists erosion and can help in the longevity of the cap nuts. Other materials include aluminum and brass.
These cup nuts sometimes come in painted varieties to suit the surroundings. These products also come in different designs. While a dome shape is the most common design and is used to soften the end of the bolts, several other designs are available in the market that aid by allowing more space for longer fasteners.
Advantages of Hexagon Cap Nuts EMAIL: SALES@AYAFASTENERS.COM
There are many advantages of using hexagon cap nuts. It is essentially because these cap nuts are flexible in nature, catering to different needs, and work as versatile fasteners for many applications. Some of those are listed below.
They help in covering the unattractive ends of bolts, screws, and other products.
They also protect people from harming themselves in these ends which might have sharp edges.
Easy to install.
It guarantees reliable securing.
Helps in enhancing the low profile designs.
Helps in providing a seamless and smooth look.
Aids in resisting vibration.
Improves conditions in applications like boats that involve insulation.
Applications of Hexagon Cap Nuts EMAIL: SALES@AYAFASTENERS.COM
Hexagon cap nuts are used for various industries as all companies and manufacturers need nuts to use their products to stand strongly. These hexagon cap nuts are used to cover exposed rods, bolts, and others to enhance their appearance. It helps in protecting the sharp edges of fasteners from damage. Hexagon cap nuts can also be used to cover the sharp edges of products, protecting people from coming in contact with these edges. In addition, these cap nuts can contribute to better insulation, provide protection against tampering and protect fasteners from weathering. Such varied uses
Hex cap nuts are used in industries including agriculture, automobile and transportation, oil and gas industry, plumbing, water supply systems, chemical refining, building and construction industry, power generation industry, military, and marine. As for their applications, they are used in docks, bridges, and highway systems.
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