NINGBO YONGBIAO FASTENER CO.,LTD
| Payment Terms | T/T |
| Supply Ability | 5000Tons/year |
| Delivery Time | 7-25DAYS |
| Packaging Details | 5000-10000/box |
| Trade Mark | YONGBIAO |
| Drivetype | Hex |
| Model | M6x1 |
| Usage | For Fastening Metal To Metal |
| Quality Control | Insepected |
| Trade Terms | EXW,FOB,CIF,DDU,DDP |
| Head Type | Hex Washer Head |
| Brand Name | YB |
| Model Number | DIN7504K |
| Certification | ISO9001,IATF16949 |
| Place of Origin | ZheJiang,China |
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Product Specification
| Payment Terms | T/T | Supply Ability | 5000Tons/year |
| Delivery Time | 7-25DAYS | Packaging Details | 5000-10000/box |
| Trade Mark | YONGBIAO | Drivetype | Hex |
| Model | M6x1 | Usage | For Fastening Metal To Metal |
| Quality Control | Insepected | Trade Terms | EXW,FOB,CIF,DDU,DDP |
| Head Type | Hex Washer Head | Brand Name | YB |
| Model Number | DIN7504K | Certification | ISO9001,IATF16949 |
| Place of Origin | ZheJiang,China | ||
| High Light | carbon steel roofing screws with EPDM gaskets ，hex socket self-drilling fasteners ，self drilling screws for roofing | ||
These DIN 7504K self-drilling screws are high-performance industrial fasteners featuring hexagonal washer heads and specialized drill points. Manufactured from Grade 410 stainless steel, these screws drill their own pilot holes, tap mating threads, and provide secure fastening in a single operation. Grade 410 martensitic stainless steel can be heat-treated for enhanced hardness, making it superior to 304 or 316 grades for metal-to-metal applications.
| 螺纹规格 | ST2.9 | ST3.5 | (ST3.9) | ST4.2 | ST4.8 | (ST5.5) | ST6.3 |
|---|---|---|---|---|---|---|---|
| P | 螺距 | 1.1 | 1.3 | 1.3 | 1.4 | 1.6 | 1.8 | 1.8 |
| a | max | 1.1 | 1.3 | 1.3 | 1.4 | 1.6 | 1.8 | 1.8 |
| c | min | 0.4 | 0.6 | 0.6 | 0.8 | 0.9 | 1 | 1 |
| dc | max | 6.3 | 8.3 | 8.3 | 8.8 | 10.5 | 11 | 13.5 |
| min | 5.8 | 7.6 | 7.6 | 8.1 | 9.8 | 10 | 12.2 |
| e | min | 4.28 | 5.96 | 5.96 | 7.59 | 8.71 | 8.71 | 10.95 |
| k | max | 2.8 | 3.4 | 3.4 | 4.1 | 4.3 | 5.4 | 5.9 |
| min | 2.5 | 3 | 3 | 3.6 | 3.8 | 4.8 | 5.3 |
| kw | min | 1.3 | 1.5 | 1.5 | 1.8 | 2.2 | 2.7 | 3.1 |
| r | max | 0.4 | 0.5 | 0.5 | 0.6 | 0.7 | 0.8 | 0.9 |
| s | max | 4 | 5.5 | 5.5 | 7 | 8 | 8 | 10 |
| min | 3.82 | 5.32 | 5.32 | 6.78 | 7.78 | 7.78 | 9.78 |
| dp | 2.3 | 2.8 | 3.1 | 3.6 | 4.1 | 4.8 | 5.8 |
| Drilling range | 0.7~1.9 | 0.7~2.25 | 0.7~2.4 | 1.75~3 | 1.75~4.4 | 1.75~5.25 | 2~6 |
Company Details
Business Type:
Manufacturer,Exporter,Trading Company
Year Established:
2012
Total Annual:
5000000-6000000
Employee Number:
45~53
Ecer Certification：
Verified Supplier
Ningbo Yongbiao Fastener Manufacturing Co., Ltd. is located in Ningbo, the second largest port city in China. The factory is 50 kilometers away from Ningbo Port and can reach the sea freight warehouse in one hour, with very fast logistics. The company was founded in 2012 and after years of hard work... Ningbo Yongbiao Fastener Manufacturing Co., Ltd. is located in Ningbo, the second largest port city in China. The factory is 50 kilometers away from Ningbo Port and can reach the sea freight warehouse in one hour, with very fast logistics. The company was founded in 2012 and after years of hard work...
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