Black Hex Nut
Standard: DIN 970
Thread Type: Coarse Thread
Commodity: Black Hex Nut
Also Named: Hex Head Nuts
Material: Carbon Steel
Property Class: 3.6~12.9
Diameter: M1.6/ M2/ M2.5/ M3/ ( M3.5)/ M4/ M5/ M6/ M7/ M8/ M10/ M12/ (M14)/ M16/ M18/ M20/ M22/ M24/ M27/ M30/ M33/ M36/ M39
Finish: Plain/ Black/ Zinc Plated/ Thick-Film Passivated( ZSML)/ Zinc Flake, Silver( ZFSHL)/ Hot Dipped Galvanized/ Organic/ Geomet/ Dacromet/ Phosphating/ Cadmium Electroplate/ Nickel Plated
Drive Type: External Hex
MOQ: 1000kgs
Lead Time: 30 to 60 days
Product Introduction
AYA Fasteners (Hebei) Co., Ltd. is one of the most experienced manufacturers and suppliers of black hex nut in China. Please feel free to buy high quality black hex nut made in China here from our factory. For price consultation, contact us.

As a global supplier of customized fastening solutions, AYA's service process is also as close to customers as AYA's products. From describing needs to follow-up services, AYA will promptly and spare no effort to help customers solve any fastening problems that arise, to eliminate the concern of customers.
Product Description
Product Name | Black Hex Nut |
Also Named | Hex Head Nuts |
Material | Carbon Steel |
Standard | DIN 970 |
Property Class | 3.6~12.9 |
Diameter | M1.6/ M2/ M2.5/ M3/ ( M3.5)/ M4/ M5/ M6/ M7/ M8/ M10/ M12/ (M14)/ M16/ M18/ M20/ M22/ M24/ M27/ M30/ M33/ M36/ M39 |
Finish | Plain/ Black/ Zinc Plated/ Thick-Film Passivated( ZSML)/ Zinc Flake, Silver( ZFSHL)/ Hot Dipped Galvanized/ Organic/ Geomet/ Dacromet/ Phosphating/ Cadmium Electroplate/ Nickel Plated |
Drive Type | External Hex |
Thread Type | Coarse Thread |
Dimensions Table

| Thread Size d | M1.6 | M2 | M2.5 | M3 | (M3.5) | M4 | M5 | M6 | |
| P | 0.35 | 0.4 | 0.45 | 0.5 | 0.6 | 0.7 | 0.8 | 1 | |
| m | max | 1.3 | 1.6 | 2 | 2.4 | 2.8 | 3.2 | 4.7 | 5.2 |
| min | 1.05 | 1.35 | 1.75 | 2.15 | 2.55 | 2.9 | 4.4 | 4.9 | |
| s | max | 3.2 | 4 | 5 | 5.5 | 6 | 7 | 8 | 10 |
| min | 3.02 | 3.82 | 4.82 | 5.32 | 5.82 | 6.78 | 7.78 | 9.78 | |
| e | min | 3.41 | 4.32 | 5.45 | 6.01 | 6.58 | 7.66 | 8.79 | 11.05 |
| mw | min | 0.84 | 1.08 | 1.4 | 1.72 | 2.04 | 2.32 | 3.52 | 3.92 |
| per 1000 units≈kg | 0.08 | 0.14 | 0.28 | 0.38 | 0.51 | 0.81 | 1.45 | 2.6 | |
| Thread Size d | M7 | M8 | M10 | M12 | (M14) | M16 | M18 | M20 | |
| P | 1 | 1.25 | 1.5 | 1.75 | 2 | 2 | 2.5 | 2.5 | |
| m | max | 6.5 | 6.8 | 8.4 | 10.8 | 12.8 | 14.8 | 15.8 | 18 |
| min | 6.2 | 6.44 | 8.04 | 10.37 | 12.1 | 14.1 | 15.1 | 16.9 | |
| s | max | 11 | 13 | 16 | 18 | 21 | 24 | 27 | 30 |
| min | 10.73 | 12.73 | 15.73 | 17.73 | 20.67 | 23.67 | 26.16 | 29.16 | |
| e | min | 12.12 | 14.38 | 17.77 | 20.03 | 23.35 | 26.75 | 29.56 | 32.95 |
| mw | min | 4.96 | 5.15 | 6.43 | 8.3 | 9.68 | 11.28 | 12.08 | 13.52 |
| per 1000 units≈kg | 4.4 | 5.4 | 10.6 | 16.3 | 26.4 | 38 | 52 | 73 | |
| Thread Size d | M22 | M24 | M27 | M30 | M33 | M36 | M39 | - | |
| P | 2.5 | 3 | 3 | 3.5 | 3.5 | 4 | 4 | - | |
| m | max | 19.4 | 21.5 | 23.8 | 25.6 | 28.7 | 31 | 32 | - |
| min | 18.1 | 20.2 | 22.5 | 24.3 | 27.4 | 29.4 | 30.4 | - | |
| s | max | 34 | 36 | 41 | 46 | 50 | 55 | 60 | - |
| min | 33 | 35 | 40 | 45 | 49 | 53.8 | 58.8 | - | |
| e | min | 37.29 | 39.55 | 45.2 | 50.85 | 55.37 | 60.79 | 66.44 | - |
| mw | min | 14.48 | 16.16 | 18 | 19.44 | 21.92 | 23.52 | 24.32 | - |
| per 1000 units≈kg | 104 | 125 | 178 | 238 | 320 | 420 | 520 | - | |
Product Details

Product Advantages

Advantages of Hex Head Nut
1. The hex nut is very easy to obtain, so its standard is very complete.
2. The six-sided structure of the metric hex nuts makes its installation very simple and labor-saving.
3. The black coating of the black hex nut layers the fastener with another material, giving it a glossy finish and high strength.
4. The added layer of the steel hex nuts will provide it with protection from weather changes and corrosion.
5. Hex nuts are widely used in construction and to create a bolted joint.
6. AYA not only provides products but also provides effective solutions.
Quality Inspection

Quality Guarantee and concerning testings are the vital part of the fasteners' production. In AYA, most comprehensive inspections are carried out to analyze the fastener with the quantitative analysis method. At last, the thorough results report itself will prove the quality well.
Packaging & Container Loading

AYA's design team can meet customers' unique needs for labels.
100% on-time delivery guaranteed.
Usage Scenarios

Why Choose AYA?

AYA provides exclusive services to 1000+ members from all over the world every year, with a unique chain service solution system, you only need to click the mouse to get the exclusive fastening solutions and enjoy door-to-door services.
Why AYA FASTENERS Is Your Reliable China Hex Head Nuts Supplier?
China hex head nuts are six-sided nuts used for general purposes. They have an internal screw thread. These are the most commonly used hexagonal fasteners with an internal thread that can be screwed on a screw shank with a hex head cap.
China hex nuts are primarily used for tightening screws and bolts, and different industries use them.
These hexagon head nuts are available in various materials such as stainless steel, brass, stainless steel, silicon, bronze, nylon, and aluminum. Steel and stainless steel are the least expensive but most preferred by different industries. Copper alloys such as silicon bronze or brass are the most expensive.
Stainless steel hex head nuts offer advantages such as corrosion protection and are also quite durable.
China Hex Head Nuts Advantages
1. Since China hex head huts have a hexagonal body, wrenching is easier. Workers may have to work in tight and restricted spaces at times with no source of light, and that's when a China head nut is useful and easy to access and work with.
2. Since the hexagonal shape offers six sides, the worker can still wrench it from any side, no matter how restricted the space is.
3. Hex head nuts come in different sizes and have a hex drive for all kinds of general applications.
4. The China hex head nuts can be used with any fastener if there is a machine screw thread.
5. However, the hex head nuts require a compatible size washer and bolt.
China hex head nuts are accessible from all angles, which is especially useful when a worker is dealing with a tight spot. The presence of six parallels allows the workers to turn the nut easily and is accessible too. As a result, the process becomes easier and faster. The hexagonal shape is advantageous because the nut could easily break or even fracture if it had more than six sides. The hex has six sides, making it easy to wrench from all sides.
Different industries and consumers universally accept the China hex head nut.
China Hex Head Nuts Applications
1. China Hex head Nuts are ideal for outdoor and indoor usage.
2. The construction and industrial fasteners are widely used in homes, offices, and machinery. Whether equipment or machinery, China hex head Nuts are ideal for usage.
3. Fastening multiple parts is the primary job of a China hex head nut. If there is restricted or tight space and it is hard to reach, then the user must get hex head Nuts. They are easy to work with, durable, and do the job efficiently.
4. These hex nuts are the most common types out there. They are mainly used with set screws, threaded rods, bolts, and studs.
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