Jiangsu Ying Yan Fastening System Technology Co.Ltd
| Packaging Details | Small Boxes, Plastic Bags, Bulk in Cartons, |
| Name | Hexagon Socket Head Cap Screws With Low Head |
| Standard | GB/DIN/ASME/EN/ISO&etc. |
| Surface treatment | black, zinc plated,Dacromet |
| Color | Black,White-blue，yellow |
| Material | Carbon steel 10B21 |
| Grade | 8.8,10.9 |
| Size | accroding your requirements |
| Length | accroding your requirements |
| Brand Name | YingYan |
| Model Number | M8-M20 |
| Certification | ISO9000 |
| Place of Origin | JIANG SU PROVINCE CHINA |
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Product Specification
| Packaging Details | Small Boxes, Plastic Bags, Bulk in Cartons, | Name | Hexagon Socket Head Cap Screws With Low Head |
| Standard | GB/DIN/ASME/EN/ISO&etc. | Surface treatment | black, zinc plated,Dacromet |
| Color | Black,White-blue，yellow | Material | Carbon steel 10B21 |
| Grade | 8.8,10.9 | Size | accroding your requirements |
| Length | accroding your requirements | Brand Name | YingYan |
| Model Number | M8-M20 | Certification | ISO9000 |
| Place of Origin | JIANG SU PROVINCE CHINA | ||
| High Light | DIN 7984 Socket Head Cap Screws ，Half Threaded Socket Head Cap Screws ，Full Threaded Hexagon Socket Screw | ||
Cylindrical head hex head screws referred to as hex head screws, commonly known as cup head screws, it and hex head bolts are the most common head type in the fastener industry. By the way, why is it officially called a screw and not a bolt? The simple explanation is that the bolt generally needs to be used with the nut, and the screw generally does not need to be used with the nut but is self-tapping or directly installed on the internal thread of the body.
The common grades of carbon steel hex screws are 4.8, 8.8, 10.9, 12.9, etc., and the materials of each grade are low carbon steel, medium carbon steel, alloy steel.
Acceptance standard for mechanical properties such as tensile strength, hardness and guarantee stress of cylindrical head hex socket screws
Carbon steel according to ISO 898-1
Stainless steel press ISO3506-1
Black, white zinc, blue and white zinc, color zinc, phosphating, dacromet, mechanical galvanizing, hot dip galvanizing, etc.
DIN7984
| Thread Size d | M3 | M4 | M5 | M6 | M8 | M10 | M12 | (M14) | M16 | (M18) | M20 | (M22) | M24 | |
| P | Pitch | 0.5 | 0.7 | 0.8 | 1 | 1.25 | 1.5 | 1.75 | 2 | 2 | 2.5 | 2.5 | 2.5 | 3 |
| b | L≤125 | 12 | 14 | 16 | 18 | 22 | 26 | 30 | 34 | 38 | 42 | 46 | 50 | 54 |
| 125＜L≤200 | / | / | / | / | 28 | 32 | 36 | 40 | 44 | 48 | 52 | 56 | 60 | |
| L＞200 | / | / | / | / | / | / | / | / | 57 | 61 | 65 | 69 | 73 | |
| dk | max=nominal size | 5.5 | 7 | 8.5 | 10 | 13 | 16 | 18 | 21 | 24 | 27 | 30 | 33 | 36 |
| min | 5.32 | 6.78 | 8.28 | 9.78 | 12.73 | 15.73 | 17.73 | 20.67 | 23.67 | 26.67 | 29.67 | 32.61 | 35.61 | |
| ds | max=nominal size | 3 | 4 | 5 | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 | 22 | 24 |
| min | 2.86 | 3.82 | 4.82 | 5.82 | 7.78 | 9.78 | 11.73 | 13.73 | 15.73 | 17.73 | 19.67 | 21.67 | 23.67 | |
| k | max=nominal size | 2 | 2.8 | 3.5 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 |
| min | 1.86 | 2.66 | 3.32 | 3.82 | 4.82 | 5.82 | 6.78 | 7.78 | 8.78 | 9.78 | 10.73 | 11.73 | 12.73 | |
| s | Nominal Size | 2 | 2.5 | 3 | 4 | 5 | 7 | 8 | 10 | 12 | 12 | 14 | 14 | 17 |
| max | 2.1 | 2.6 | 3.1 | 4.12 | 5.14 | 7.175 | 8.175 | 10.175 | 12.212 | 12.212 | 14.212 | 14.212 | 17.23 | |
| min | 2.02 | 2.52 | 3.02 | 4.02 | 5.02 | 7.025 | 8.025 | 10.025 | 12.032 | 12.032 | 14.032 | 14.032 | 17.05 | |
| t | Nominal Size | 1.5 | 2.3 | 2.7 | 3 | 3.8 | 4.5 | 5 | 5.3 | 5.5 | 6.5 | 7.5 | 8 | 8 |
| max | 1.62 | 2.42 | 2.82 | 3.12 | 3.95 | 4.65 | 5.15 | 5.45 | 5.65 | 6.68 | 7.68 | 8.18 | 8.18 | |
| min | 1.38 | 2.18 | 2.58 | 2.88 | 3.65 | 4.35 | 4.85 | 5.15 | 5.35 | 6.32 | 7.32 | 7.82 | 7.82 | |
| e | min | 2.3 | 2.87 | 3.44 | 4.58 | 5.72 | 8.01 | 9.15 | 11.43 | 13.72 | 13.72 | 16 | 16 | 19.44 |
Company Details
Business Type:
Manufacturer,Exporter,Trading Company
Year Established:
2002
Total Annual:
6000000-8000000
Employee Number:
50~100
Ecer Certification：
Verified Supplier
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...
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