Jiangsu Ying Yan Fastening System Technology Co.Ltd
| Packaging Details | Small Boxes, Plastic Bags, Bulk in Cartons, |
| Name | Hexagon head bolts partially threaded |
| Standard | GB/DIN/ASME/EN/ISO&etc. |
| Materials | Alloy steel ML 40Cr 40Cr/Carbon steel 35K |
| Surface treatment | Plain, black, zinc plated/according to your requirement |
| Grade | 8.8/10.9/12.9 |
| Head type | Hexagonal Head |
| Surface | Black |
| Size | M5-M42/According your requirements |
| Length | 30mm-400mm/According your requirements |
| Brand Name | YingYan |
| Model Number | M5-M42 |
| Certification | ISO9000 |
| Place of Origin | JIANG SU PROVINCE CHINA |
View Detail Information
Explore similar products
Carbon Steel Galvanzied DIN444 Eye Bolts Class 4.8 For Construction Engineering
DIN933 ISO4017 EN24017 Hexagon Head Bolts Full Thread Zinc Carbon Steel / Alloy
DIN 6914 ISO 7412 ML40Cr High Strength Bolts Hexagon Head For Steel Structures
DIN931-1 ISO4014 Industrial Bolt Partially Threaded Dacromet Silver Gray Class 8
Product Specification
| Packaging Details | Small Boxes, Plastic Bags, Bulk in Cartons, | Name | Hexagon head bolts partially threaded |
| Standard | GB/DIN/ASME/EN/ISO&etc. | Materials | Alloy steel ML 40Cr 40Cr/Carbon steel 35K |
| Surface treatment | Plain, black, zinc plated/according to your requirement | Grade | 8.8/10.9/12.9 |
| Head type | Hexagonal Head | Surface | Black |
| Size | M5-M42/According your requirements | Length | 30mm-400mm/According your requirements |
| Brand Name | YingYan | Model Number | M5-M42 |
| Certification | ISO9000 | Place of Origin | JIANG SU PROVINCE CHINA |
| High Light | Partially Threaded Hexagon Head Bolts ，Carbon Steel Hexagon Head Bolts ，DIN931-1 Flanged Hexagon Bolts | ||
DIN931-1 ISO EN 4014 Hexagon Head Bolts Partially Threaded Blackened Carbon Steel/Alloy Steel Class 8.8 10.9 12.9
Advantages:
Corrosion Resistance: The blackening process creates a dense oxide film on the bolt surface, providing excellent corrosion resistance and preventing rusting in damp or corrosive environments.
Wear Resistance: Blackened bolts exhibit increased surface hardness, improving their wear resistance and enabling them to maintain good performance in frequently rubbed environments.
Aesthetic Appeal: The blackened surface of the bolts gives them a unique and attractive appearance, making them suitable for use in applications where aesthetics are important.
Cost-Effectiveness: Blackening is a cost-efficient surface treatment method, offering better value for money compared to other surface treatments such as zinc plating or painting.
Characteristics:
Uniformity: The blackened surface of the bolts is evenly colored, with no significant color differences or spots, ensuring an overall aesthetic appeal.
Stability: The oxide film formed during blackening is stable and does not easily peel off or discolor, guaranteeing the durability of the bolts.
Environmental Friendliness: The blackening process does not generate harmful substances and meets environmental protection requirements.
Applications:
DIN 931-1 blackened bolts are widely used in various fields such as mechanical equipment, architectural structures, automotive manufacturing, and more. They are particularly common in applications where corrosion resistance, wear resistance, and aesthetics are critical. For example, in chemical equipment, bolts with excellent corrosion resistance are needed due to the corrosive nature of the media. In automotive manufacturing, bolts with good wear resistance are required for components like engines and transmissions. And in architectural structures, bolts with high strength and stability are essential to bear significant loads.
| Thread Size d | M1.6 | M2 | M2.5 | M3 | (M3.5) | M4 | M5 | M6 | (M7) | M8 | M10 | M12 | |||
| P | Thread Pitch | 0.35 | 0.4 | 0.45 | 0.5 | 0.6 | 0.7 | 0.8 | 1 | 1 | 1.25 | 1.5 | 1.75 | ||
| b | Ref. | L≤125 | 9 | 10 | 11 | 12 | 13 | 14 | 16 | 18 | 20 | 22 | 26 | 30 | |
| 125＜L≤200 | - | - | - | - | - | - | 22 | 24 | 26 | 28 | 32 | 36 | |||
| L＞200 | - | - | - | - | - | - | - | - | - | - | 45 | 49 | |||
| c | min | 0.1 | 0.1 | 0.1 | 0.15 | 0.15 | 0.15 | 0.15 | 0.15 | 0.15 | 0.15 | 0.15 | 0.15 | ||
| max | 0.25 | 0.25 | 0.25 | 0.4 | 0.4 | 0.4 | 0.5 | 0.5 | 0.5 | 0.6 | 0.6 | 0.6 | |||
| da | max | 2 | 2.6 | 3.1 | 3.6 | 4.1 | 4.7 | 5.7 | 6.8 | 7.8 | 9.2 | 11.2 | 13.7 | ||
| ds | max=nominal size | 1.6 | 2 | 2.5 | 3 | 3.5 | 4 | 5 | 6 | 7 | 8 | 10 | 12 | ||
| min | Grade A | 1.46 | 1.86 | 2.36 | 2.86 | 3.32 | 3.82 | 4.82 | 5.82 | 6.78 | 7.78 | 9.78 | 11.73 | ||
| Grade B | - | - | - | - | - | - | - | - | - | - | - | - | |||
| dw | min | Grade A | 2.4 | 3.2 | 4.1 | 4.6 | 5.1 | 5.9 | 6.9 | 8.9 | 9.8 | 11.6 | 15.6 | 17.4 | |
| Grade B | - | - | - | - | - | - | - | - | - | - | - | - | |||
| e | min | Grade A | 3.41 | 4.32 | 5.45 | 6.01 | 6.58 | 7.66 | 8.79 | 11.05 | 12.12 | 14.38 | 18.9 | 21.1 | |
| Grade B | - | - | - | - | - | - | - | - | - | - | - | - | |||
| k | Nominal Size | 1.1 | 1.4 | 1.7 | 2 | 2.4 | 2.8 | 3.5 | 4 | 4.8 | 5.3 | 6.4 | 7.5 | ||
| Grade A | min | 0.98 | 1.28 | 1.58 | 1.88 | 2.28 | 2.68 | 3.35 | 3.85 | 4.65 | 5.15 | 6.22 | 7.32 | ||
| max | 1.22 | 1.52 | 1.82 | 2.12 | 2.52 | 2.92 | 3.65 | 4.15 | 4.95 | 5.45 | 6.58 | 7.68 | |||
| Grade B | min | - | - | - | - | - | - | - | - | - | - | - | - | ||
| max | - | - | - | - | - | - | - | - | - | - | - | - | |||
| k1 | min | 0.7 | 0.9 | 1.1 | 1.3 | 1.6 | 1.9 | 2.28 | 2.63 | 3.19 | 3.54 | 4.28 | 5.05 | ||
| r | min | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.2 | 0.2 | 0.25 | 0.25 | 0.4 | 0.4 | 0.6 | ||
| s | max=nominal size | 3.2 | 4 | 5 | 5.5 | 6 | 7 | 8 | 10 | 11 | 13 | 17 | 19 | ||
| min | Grade A | 3.02 | 3.82 | 4.82 | 5.32 | 5.82 | 6.78 | 7.78 | 9.78 | 10.73 | 12.73 | 16.73 | 18.67 | ||
| Grade B | - | - | - | - | - | - | - | - | - | - | - | - | |||
| Length of Thread b | - | - | - | - | - | - | - | - | - | - | - | - | |||
| Thread Size d | (M14) | M16 | (M18) | M20 | (M22) | M24 | (M27) | M30 | (M33) | M36 | (M39) | |||
| P | Thread Pitch | 2 | 2 | 2.5 | 2.5 | 2.5 | 3 | 3 | 3.5 | 3.5 | 4 | 4 | ||
| b | Ref. | L≤125 | 34 | 38 | 42 | 46 | 50 | 54 | 60 | 66 | 72 | 78 | 84 | |
| 125＜L≤200 | 40 | 44 | 48 | 52 | 56 | 60 | 66 | 72 | 78 | 84 | 90 | |||
| L＞200 | 53 | 57 | 61 | 65 | 69 | 73 | 79 | 85 | 91 | 97 | 103 | |||
| c | min | 0.15 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.3 | ||
| max | 0.6 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 1 | |||
| da | max | 15.7 | 17.7 | 20.2 | 22.4 | 24.4 | 26.4 | 30.4 | 33.4 | 36.4 | 39.4 | 42.4 | ||
| ds | max=nominal size | 14 | 16 | 18 | 20 | 22 | 24 | 27 | 30 | 33 | 36 | 39 | ||
| min | Grade A | 13.73 | 15.73 | 17.73 | 19.67 | 21.67 | 23.67 | - | - | - | - | - | ||
| Grade B | - | 15.57 | 17.57 | 19.48 | 21.48 | 23.48 | 26.48 | 29.48 | 32.38 | 35.38 | 38.38 | |||
| dw | min | Grade A | 20.5 | 22.5 | 25.3 | 28.2 | 30 | 33.6 | - | - | - | - | - | |
| Grade B | - | 22 | 24.8 | 27.7 | 29.5 | 33.2 | 38 | 42.7 | 46.6 | 51.1 | 55.9 | |||
| e | min | Grade A | 24.49 | 26.75 | 30.14 | 33.53 | 35.72 | 39.98 | - | - | - | - | - | |
| Grade B | - | 26.17 | 29.56 | 32.95 | 35.03 | 39.55 | 45.2 | 50.85 | 55.37 | 60.79 | 66.44 | |||
| k | Nominal Size | 8.8 | 10 | 11.5 | 12.5 | 14 | 15 | 17 | 18.7 | 21 | 22.5 | 25 | ||
| Grade A | min | 8.62 | 9.82 | 11.28 | 12.28 | 13.78 | 14.78 | - | - | - | - | - | ||
| max | 8.98 | 10.18 | 11.72 | 12.72 | 14.22 | 15.22 | - | - | - | - | - | |||
| Grade B | min | - | 9.71 | 11.15 | 12.15 | 13.65 | 14.65 | 16.65 | 18.28 | 20.58 | 22.08 | 24.58 | ||
| max | - | 10.29 | 11.85 | 12.85 | 14.35 | 15.35 | 17.35 | 19.12 | 21.42 | 22.92 | 25.42 | |||
| k1 | min | 5.96 | 6.8 | 7.8 | 8.5 | 9.6 | 10.3 | 11.7 | 12.8 | 14.4 | 15.5 | 17.2 | ||
| r | min | 0.6 | 0.6 | 0.6 | 0.8 | 0.8 | 0.8 | 1 | 1 | 1 | 1 | 1 | ||
| s | max=nominal size | 22 | 24 | 27 | 30 | 32 | 36 | 41 | 46 | 50 | 55 | 60 | ||
| min | Grade A | 21.67 | 23.67 | 26.67 | 29.67 | 31.61 | 35.38 | - | - | - | - | - | ||
| Grade B | - | 23.16 | 26.16 | 29.16 | 31 | 35 | 40 | 45 | 49 | 53.8 | 58.8 | |||
| Length of Thread b | - | - | - | - | - | - | - | - | - | - | - | |||
Company Details
Business Type:
Manufacturer,Exporter,Trading Company
Year Established:
2002
Total Annual:
6000000-8000000
Employee Number:
50~100
Ecer Certification：
Active Member
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, producti... 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, producti...
Get in touch with us
Leave a Message, we will call you back quickly!