DIN 601 558 EN ISO 4016 4018 Hexagon Head Screws-Product Grade C Class 4.8 Carbon Steel Q195 Zinc Plating
DIN601
| Screw Thread | M5 | M6 | M8 | M10 | M12 | (M14) | M16 | (M18) | M20 | (M22) | M24 | (M27) |
| d | | | | | | | | | | | | |
| P | Pitch | 0.8 | 1 | 1.25 | 1.5 | 1.75 | 2 | 2 | 2.5 | 2.5 | 2.5 | 3 | 3 |
| b | L≤125 | 16 | 18 | 22 | 26 | 30 | 34 | 38 | 42 | 46 | 50 | 54 | 60 |
| 125＜L≤200 | 22 | 24 | 28 | 32 | 36 | 40 | 44 | 48 | 52 | 56 | 60 | 66 |
| L＞200 | 35 | 37 | 41 | 45 | 49 | 53 | 57 | 61 | 65 | 69 | 73 | 79 |
| c | max | 0.5 | 0.5 | 0.6 | 0.6 | 0.6 | 0.6 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 |
| da | max | 6 | 7.2 | 10.2 | 12.2 | 14.7 | 16.7 | 18.7 | 21.2 | 24.4 | 26.4 | 28.4 | 32.4 |
| ds | max | 5.48 | 6.48 | 8.58 | 10.58 | 12.7 | 14.7 | 16.7 | 18.7 | 20.84 | 22.84 | 24.84 | 27.84 |
| min | 4.52 | 5.52 | 7.42 | 9.42 | 11.3 | 13.3 | 15.3 | 17.3 | 19.16 | 21.16 | 23.16 | 26.16 |
| dw | min | 6.74 | 8.74 | 11.47 | 14.47 | 16.47 | 19.15 | 22 | 24.85 | 27.7 | 31.35 | 33.25 | 38 |
| e | min | 8.63 | 10.89 | 14.2 | 17.59 | 19.85 | 22.78 | 26.17 | 29.56 | 32.95 | 37.29 | 39.55 | 45.2 |
| k | Nominal Size | 3.5 | 4 | 5.3 | 6.4 | 7.5 | 8.8 | 10 | 11.5 | 12.5 | 14 | 15 | 17 |
| max | 3.875 | 4.375 | 5.675 | 6.85 | 7.95 | 9.25 | 10.75 | 12.4 | 13.4 | 14.9 | 15.9 | 17.9 |
| min | 3.125 | 3.625 | 4.925 | 5.95 | 7.05 | 8.35 | 9.25 | 10.6 | 11.6 | 13.1 | 14.1 | 16.1 |
| k1 | min | 2.19 | 2.54 | 3.45 | 4.17 | 4.94 | 5.85 | 6.48 | 7.42 | 8.12 | 9.17 | 9.87 | 11.27 |
| r | min | 0.2 | 0.25 | 0.4 | 0.4 | 0.6 | 0.6 | 0.6 | 0.6 | 0.8 | 0.8 | 0.8 | 1 |
| s | max=nominal size | 8 | 10 | 13 | 16 | 18 | 21 | 24 | 27 | 30 | 34 | 36 | 41 |
| min | 7.64 | 9.64 | 12.57 | 15.57 | 17.57 | 20.16 | 23.16 | 26.16 | 29.16 | 33 | 35 | 40 |
| Length of Thread b | | - | - | - | - | - | - | - | - | - | - | - | - |
| Screw Thread | M30 | (M33) | M36 | (M39) | M42 | (M45) | M48 | (M52) | M56 | (M60) | M64 | |
| d | | | | | | | | | | | | |
| P | Pitch | 3.5 | 3.5 | 4 | 4 | 4.5 | 4.5 | 5 | 5 | 5.5 | 5.5 | 6 | |
| b | L≤125 | 66 | - | - | - | - | - | - | - | - | - | - | |
| 125＜L≤200 | 72 | 78 | 84 | 90 | 96 | 102 | 108 | 116 | - | - | - | |
| L＞200 | 85 | 91 | 97 | 103 | 109 | 115 | 121 | 129 | 137 | 145 | 153 | |
| c | max | 0.8 | 0.8 | 0.8 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | |
| da | max | 35.4 | 38.4 | 42.4 | 45.4 | 48.6 | 52.6 | 56.6 | 62.6 | 67 | 71 | 75 | |
| ds | max | 30.84 | 34 | 37 | 40 | 43 | 46 | 49 | 53.2 | 57.2 | 61.2 | 65.2 | |
| min | 29.16 | 32 | 35 | 38 | 41 | 44 | 47 | 50.8 | 54.8 | 58.8 | 62.8 | |
| dw | min | 42.75 | 46.55 | 51.11 | 55.86 | 59.95 | 64.7 | 69.45 | 74.2 | 78.66 | 83.41 | 88.16 | |
| e | min | 50.85 | 55.37 | 60.79 | 66.44 | 71.3 | 76.95 | 82.6 | 88.25 | 93.56 | 99.21 | 104.86 | |
| k | Nominal Size | 18.7 | 21 | 22.5 | 25 | 26 | 28 | 30 | 33 | 35 | 38 | 40 | |
| max | 19.75 | 22.05 | 23.55 | 26.05 | 27.05 | 29.05 | 31.05 | 34.25 | 36.25 | 39.25 | 41.25 | |
| min | 17.65 | 19.95 | 21.45 | 23.95 | 24.95 | 26.95 | 28.95 | 31.75 | 33.75 | 36.75 | 38.75 | |
| k1 | min | 12.36 | 13.97 | 15.02 | 16.77 | 17.47 | 18.87 | 20.27 | 22.23 | 23.63 | 25.73 | 27.13 | |
| r | min | 1 | 1 | 1 | 1 | 1.2 | 1.2 | 1.6 | 1.6 | 2 | 2 | 2 | |
| s | max=nominal size | 46 | 50 | 55 | 60 | 65 | 70 | 75 | 80 | 85 | 90 | 95 | |
| min | 45 | 49 | 53.8 | 58.8 | 63.1 | 68.1 | 73.1 | 78.1 | 82.8 | 87.8 | 92.8 | |
| Length of Thread b | | - | - | - | - | - | - | - | - | - | - | - | |
| | | |
DIN558 
Screw Thread
d | |
| P | Pitch | | a | max | | c | max | | da | max | | dw | min | | e | min | | k | Nominal Size | | min | | max | | k1 | min | | r | min | | s | max=nominal size | | min | | | 0.8 | 1 | 1.25 | 1.5 | 1.75 | 2 | 2.5 | 3 | 3.5 | 4 | | 3.2 | 4 | 5 | 6 | 7 | 8 | 10 | 12 | 14 | 16 | | 0.5 | 0.5 | 0.6 | 0.6 | 0.6 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | | 6 | 7.2 | 10.2 | 12.2 | 14.7 | 18.7 | 24.4 | 28.4 | 35.4 | 42.4 | | 6.7 | 8.7 | 11.4 | 15.4 | 17.2 | 22 | 27.7 | 33.2 | 42.7 | 51.1 | | 8.63 | 10.89 | 14.2 | 18.72 | 20.88 | 26.17 | 32.95 | 39.55 | 50.85 | 60.79 | | 3.5 | 4 | 5.3 | 6.4 | 7.5 | 10 | 12.5 | 15 | 18.7 | 22.5 | | 3.12 | 3.62 | 4.92 | 5.95 | 7.05 | 9.25 | 11.6 | 14.1 | 17.65 | 21.45 | | 3.88 | 4.38 | 5.68 | 6.85 | 7.95 | 10.75 | 13.4 | 15.9 | 19.75 | 23.55 | | 2.2 | 2.5 | 3.45 | 4.2 | 4.95 | 6.5 | 8.1 | 9.9 | 12.4 | 15 | | 0.2 | 0.25 | 0.4 | 0.4 | 0.6 | 0.6 | 0.8 | 0.8 | 1 | 1 | | 8 | 10 | 13 | 17 | 19 | 24 | 30 | 36 | 46 | 55 | | 7.64 | 9.64 | 12.57 | 16.57 | 18.48 | 23.16 | 29.16 | 35 | 45 | 53.8 | |
| Weight of per 1000 steel products(≈kg) | | |
Features:
- The hexagonal head design is adopted at the head, which facilitates the loading and unloading with standard tools such as wrenches or screwdrivers.
- Possessing excellent mechanical properties with high tensile strength and yield strength, they can be used in high-load and high-stress environments.
- Designed and manufactured strictly in accordance with DIN standards, the screws have tightly controlled dimensions and tolerances, ensuring high assembly accuracy and strong interchangeability.
- Crafted from premium materials such as carbon steel and stainless steel, these screws exhibit remarkable corrosion resistance and durability.
Advantages:
- Crafted with high-strength materials and precision manufacturing, these screws offer stable connection performance, resisting loosening or breakage.
- The hexagonal head design simplifies and expedites the installation and removal process, allowing for the use of standard tools and enhancing work efficiency.
- Possessing excellent mechanical properties with high tensile strength and yield strength, they can be used in high-load and high-stress environments.
- Designed and manufactured strictly in accordance with DIN standards, the screws have tightly controlled dimensions and tolerances, ensuring high assembly accuracy and strong interchangeability..
Application Scenarios:
- Mechanical Engineering: In the mechanical engineering field, these screws are widely used for connecting and fixing various equipment and machines, such as automobiles, aircraft, ships, and heavy machinery.
- Construction Industry: The screws are commonly employed in the construction industry for connecting and fixing steel structures, bridges, tunnels, and other projects, ensuring structural stability and safety.
- Electronic Equipment Manufacturing: They are used to secure circuit boards, chassis, enclosures, and other components in electronic devices, enhancing device stability and reliability.
- Other Industries: Additionally, these screws find applications in chemical, petroleum, power, metallurgy, and other industries for connecting and fixing various equipment and pipelines.
Jiangsu Ying Yan Fastening System Technology Co.Ltd
Jiangsu Ying Yan Fastening System Technology Co. Ltd was founded in
2002. It is located in Wujiang Fenhu High-tech Industrial
Development Zone, Suzhou City. It has a superior geographical
location and convenient transportation. It is a professional
fastener manufacturer integrating R&D, production and sales
manufacturer. The company has established a complete quality
management system, invested heavily in the establishment of R&D
technology centers, introduced high-tech talents, and used the ERP
system for efficient and orderly management. The company has been
adhering to the principle of mutual benefit and win-win cooperation
with customers from different industries for many years. The value
and significance of an enterprise do not lie in the so-called
success for a while, but in the ability to create more social value
and assume social responsibility while continuously creating
economic value.
In the 24 years of development, Jiangsu Ying Yan Fastening System
Technology Co. Ltd has always adhered to the development concept of
"creating excellent quality with the heart of a craftsman", and
also adhered to the operating principle of "innovation, quality,
service, gratitude" to absorb New ideas, strict quality control,
all-round service for the purpose. With the continuous development
and growth of the company, we will continue to pursue the above
concepts, principles and purposes, use the wisdom created by
ingenuity to create fastener products, provide competitive
industrial product solution services, and continue to create the
greatest value for customers. Value, become the ultimate choice for
end customers.
Persevere in building Yingyan fastening system technology into a
benchmark enterprise in the domestic and foreign fastener industry,
and write the industry legend of domestic fastener products!
