- Model No.: QF
- Type: Pan Head
- Head Style: Round
- Surface Treatment: Zinc Plated
- Origin: Changsha
- Material: Carbon Steel
- Connection: Common Bolt
- Standard: GB
- Trademark: Yufeng
- HS Code: 7318160000
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Head: Flat Head
Body: Full Hex
End: Open End
Size: M4 / M5 / M6 / M8
D-6H | Hole Size | L+0.3 -0.3 (mm) |
M4 | 6 | 11 |
M5 | 7 | 14 |
M6 | 9 | 15 |
M8 | 11 | 18 |

1. Drawings, photos, and samples are welcome. |
2. We can customize the product based on your requirements or samples. |
3. If you have any questions or need further information, feel free to contact us. |
Pictures
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Our pan head full-hex rivet nuts are made from high-quality carbon steel, ensuring durability and strength for a wide range of industrial applications. They feature a zinc-plated finish that provides excellent corrosion resistance. These fasteners are manufactured according to the GB standard and are ideal for use in mechanical and structural assemblies. With options available in sizes M4, M5, M6, and M8, they are suitable for various bolt connections. If you need customizations or have specific requirements, our team is ready to assist you. Feel free to reach out for more details or to request samples. --- Let me know if you'd like it formatted as a product description for an e-commerce site or a technical sheet.
Colorless needle-like crystals. Easily deliquescent. At the melting point, hydrogen sulfide is liberated. Easily soluble in water and alcohol. The aqueous solution is strongly alkaline. It reacts with acid to generate hydrogen sulfide. Bitter taste.
Sodium hydrosulfide have 2 kinds of appearance,70%min yellow flake and 30% yellowsih liquid.
We have different specs which depends on Fe content,we have 10ppm,15ppm,20ppm and 30ppm.Different Fe content,the quality is different.
dissolvable in water and Ethanol, presenting strong alkaline when dissolved in water and generating hydrogen disulfide when reacting with acids.
Sodium Hydrosulfide,Sodium Hydrosulphide Flakes,Dyestuff Intermediates,Sodium Hydrosulfide Yellow Flakes
SHANDONG S-SAILING CHEMICAL CO,LTD , https://www.sdqh-chem.com