NINGBO YONGBIAO FASTENER CO.,LTD
| Thread Style | Fine |
| Head Type | Hex Head |
| Trademark | YONGBIAO |
| Supply Ability | 5000Tons/year |
| Application Scrope | Machinery Industry |
| Delivery Time | 7-25DAYS |
| Delivery | 7-15days |
| Payment Terms | T/T |
| Shipping Port | ShangHai or NingBo |
| Material | 304 stainless steel |
| Packaging Details | 5000-10000/box |
| Transport Package | Plastic Bags and Cartons |
| Certification | ISO9001,IATF16949 |
| Model Number | ISO8752 |
| Brand Name | YB |
| Place of Origin | ZheJiang,China |
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Product Specification
| Thread Style | Fine | Head Type | Hex Head |
| Trademark | YONGBIAO | Supply Ability | 5000Tons/year |
| Application Scrope | Machinery Industry | Delivery Time | 7-25DAYS |
| Delivery | 7-15days | Payment Terms | T/T |
| Shipping Port | ShangHai or NingBo | Material | 304 stainless steel |
| Packaging Details | 5000-10000/box | Transport Package | Plastic Bags and Cartons |
| Certification | ISO9001,IATF16949 | Model Number | ISO8752 |
| Brand Name | YB | Place of Origin | ZheJiang,China |
| High Light | 304 stainless steel hex nuts ，ISO 8675 thin hex nuts ，fine pitch stainless steel nuts | ||
ISO 8675 (GB/T 6173) Fine Pitch Thin Hexagon Nuts, commonly referred to as low-profile hex jam nuts or fine thread thin nuts, are precision-threaded mechanical fasteners engineered for space-restricted assemblies or secondary locking applications.
Unlike standard coarse thread nuts, the metric fine thread pitch provides a smaller helix angle and greater friction engagement per axial millimeter. This design allows for superior precision in axial adjustment, resistance to vibration loosening, and structural stability in compact machinery.
| Thread Size | M3 | M4 | M5 | M6 | M8 | M10 | M12 | M14 |
|---|---|---|---|---|---|---|---|---|
| da max | 3.45 | 4.6 | 5.75 | 6.75 | 8.75 | 10.8 | 13 | 15.1 |
| da min | 3 | 4 | 5 | 6 | 8 | 10 | 12 | 14 |
| dw min | 4.6 | 5.9 | 6.9 | 8.9 | 11.6 | 14.6 | 16.6 | 19.6 |
| e min | 6.01 | 7.66 | 8.79 | 11.05 | 14.28 | 17.77 | 20.03 | 23.35 |
| m max | 1.8 | 2.2 | 2.7 | 3.2 | 4 | 5 | 6 | 7 |
| m min | 1.55 | 1.95 | 2.45 | 2.9 | 3.7 | 4.7 | 5.7 | 6.42 |
| mw min | 1.24 | 1.56 | 1.96 | 2.32 | 2.96 | 3.76 | 4.56 | 5.1 |
| s max | 5.5 | 7 | 8 | 10 | 13 | 16 | 18 | 21 |
| s min | 5.32 | 6.78 | 7.78 | 9.78 | 12.73 | 15.73 | 17.73 | 20.67 |
What is the difference between ISO 8675 and ISO 4035?
Both are metric thin hex nuts, but ISO 8675 specifies Metric Fine Pitch Thread, whereas ISO 4035 specifies Standard Coarse Pitch Thread.
How is an ISO 8675 thin nut used as a jam nut?
In jam nut configurations, the thin nut is threaded first and torqued against the bearing surface, followed by a standard thickness nut. Tightening the standard nut against the thin nut locks both in place via axial tension.
Can you manufacture non-standard fine pitches or custom materials?
Yes, we support custom pitches (e.g., M10×0.75, M18×1.0) and materials including 316 Stainless Steel, Brass, and Alloy Steel.
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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