Hexagon Cap Nuts
Standard: DIN 917
Thread Type: Coarse Thread/ Fine Thread
Commodity: Hexagon Cap Nuts
Also Named: Acorn Hex Cap Nuts
Material: Steel
Property Class: 4~12
Diameter: M4, M5, M6, M8, M10, M12, (M14), M16, (M18), M20, (M22), M24, (M27), M30, M36, M42, M48, (M56), (M64), (M72)
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 hexagon cap nuts in China. Please feel free to buy high quality hexagon cap nuts made in China here from our factory. For price consultation, contact us.

As a global supplier of customized fastening solutions, AYA's senvice 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
Standard | DIN 917 |
Thread Type | Coarse Thread / Fine Thread |
Commodity | Hexagon Cap Nuts |
Also Named | Acorn Hex Cap Nuts |
Material | Steel |
Property Class | 4~12 |
Diameter | M4, M5, M6, M8, M10, M12, (M14), M16, (M18), M20, (M22), M24, (M27), M30, M36, M42, M48, (M56), (M64), (M72) |
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 |
| 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 | |||
Product Details

Product Advantages

Advantages Of Hexagon Cap Nuts
1. The wide diameter of the cap acts as a spanner washer distributing the holding power of the fastener over a wide area around the stud.
2. Cap nuts have six-point contact, available for most stud diameters, on the shaft circumference assuring maximum holding power and resistance to loosening by vibration.
3. Acorn cap nuts are easily removed for maintenance to be performed.
They also provide an aesthetically pleasing finished look.
4. Cap nuts with an extended domed top to receive a longer threaded portion of a screw, bolt, or other threaded fasteners. This creates a deeper thread depth and higher dome for aesthetic and practical benefits.
5. All our cap nut fasteners can be painted to match the color of your products for decorative purposes.
Quality Inspection

We focus on quality and have an experienced QC team to supervise each production step.
All production procedures will be supervised by QC inspectors to ensure that the final products are able to meet customers' expectations.
Packaging & Container Loading

Packaging is important for product preservation as well as safety. AYA has constantly developed new solutions to keep products intact during the shipment process.
Usage Scenarios

Why 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 exclusive fastening solutions and enjoy door-to-door services.
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