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| Supply Ability | 500000000 Piece/Pieces per Week | 
| Delivery Time | 7~15 Working Day | 
| Packaging Details | 1.1000pcs / plastic bag,20kgs/ carton ,then put on the wood pallet , 2.Carton size:28cm*18cm*13cm, 3.Wood pallet size:118cm*113cm,Weight:700~800Kg Bulk:0.8 cubic 4.The weight of 20 FT Container:20~25 Tons 5,As your requirements | 
| Finish | ZINC PLATED, passivated, Chrome Plated, Nickel Plated, Polished, Custom | 
| Measurement system | Imperial (Inch) | 
| Application | Heavy Industry, Mining, Water Treatment, Healthcare, Retail Industry, Food & Beverage, General Industry, Oil & Gas, Automotive Industry | 
| Standard | DIN | 
| Size | M1~M16 | 
| Surface treatment | Nickel plated,Zinc plated,Passivation, etc. | 
| Grade | 6.8/ 8.8/ 10.9/ 12.9 | 
| Delivery time | In stock 5~7 working days, customized 15~25 working days | 
| Service | OEM Customized Services | 
| Package | Small Packing+Carton Packing+Pallet | 
| Certificate | ISO9001:2015, SGS, RoHs, MTC | 
| MOQ | 1 piece in stock, 30,000 pcs customized | 
| Port | Shenzhen, Guangzhou | 
| Brand Name | FineExpress | 
| Model Number | FineExpress Coupling Nuts | 
| Certification | ISO9001|ISO14001| IATF16949 | 
| Place of Origin | Guangdong, China | 
View Detail Information
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Product Specification
| Payment Terms | T/T,L/C,D/A,D/P | Supply Ability | 500000000 Piece/Pieces per Week | 
| Delivery Time | 7~15 Working Day | Packaging Details | 1.1000pcs / plastic bag,20kgs/ carton ,then put on the wood pallet , 2.Carton size:28cm*18cm*13cm, 3.Wood pallet size:118cm*113cm,Weight:700~800Kg Bulk:0.8 cubic 4.The weight of 20 FT Container:20~25 Tons 5,As your requirements | 
| Finish | ZINC PLATED, passivated, Chrome Plated, Nickel Plated, Polished, Custom | Measurement system | Imperial (Inch) | 
| Application | Heavy Industry, Mining, Water Treatment, Healthcare, Retail Industry, Food & Beverage, General Industry, Oil & Gas, Automotive Industry | Standard | DIN | 
| Size | M1~M16 | Surface treatment | Nickel plated,Zinc plated,Passivation, etc. | 
| Grade | 6.8/ 8.8/ 10.9/ 12.9 | Delivery time | In stock 5~7 working days, customized 15~25 working days | 
| Service | OEM Customized Services | Package | Small Packing+Carton Packing+Pallet | 
| Certificate | ISO9001:2015, SGS, RoHs, MTC | MOQ | 1 piece in stock, 30,000 pcs customized | 
| Port | Shenzhen, Guangzhou | Brand Name | FineExpress | 
| Model Number | FineExpress Coupling Nuts | Certification | ISO9001|ISO14001| IATF16949 | 
| Place of Origin | Guangdong, China | ||
| High Light | Durable Material Round Coupling Nuts ,M6 Round Coupling Nuts ,Polished Finish Round Coupling Nuts | ||

Our M6 Long Stainless Steel Round Coupling Nuts are engineered to join threaded rods, bolts, or studs in demanding environments. Made from premium stainless steel (A2/A4 grades), these nuts offer superior corrosion resistance, high tensile strength, and a factory-direct price for bulk buyers. Ideal for extending fasteners in machinery, construction, marine, and automotive applications where durability and precision alignment are critical.
✅ Stainless Steel 304/316 Construction
✅ Extended Length Design
✅ Cost-Effective Bulk Pricing
✅ Certified Quality





| More Detail Informations |  | |
| Available Material | 1.Stainless Steel: SS303, SS304, SS316, SS410, SS420; 2.Carbon steel: C1006,C1010,C1018,C1022,C1035K,C1045; 3.Brass: C3602,C3604,Hpb59,Hpb62,Hpb65,Hpb58,Hpb70 ; 4.Aluminum: Al6061, Al6063 etc or as your requirements | |
| Head type | CSK Head,Pan Head,Truss Head,Hexagon Head,Round Head,Oval Head,Button Head,Cap Head,Cheese Head,etc. | |
| Hardness | Carbon Steel:HRC:28~35 ,HV450~700 Alloy Steel:HRC:32~39(grade10.9) HRC:39~44(grade12.9) | |
| Finish | Zinc plated, Nickel plated, Bronze, Copper,Phosphate, Oxidation black, Passivation, Tin, Dacromet, Gold, Chrome, Silver, Phosphorization,Zinc-nickel alloy plated etc. | |
| Sample Available | The sample is free of charge if we have the existing tooling,you only need to pay for the freight cost | |
| Delivery time | Samples time 3-5 working days, Lead time 20-25 working days | |
| Pricing Term | EXW Dongguan(FCA),FOB, CIF, CNF, DDU,etc. | |
| Packing | Bulk in PE bag or Small boxes.then in carton .pallet | |
| Payment term | TT (30% in advance as deposit, balance before delivery) , L/C, Western Union,PayPal etc | |
| Management system | ISO9001:2015 | |
| Certificate | ISO,ROHS | |




 
 

 
 
Company Details
Business Type:
Manufacturer 
Year Established:
2002 
Total Annual:
5000000-6000000
Employee Number:
101~200 
Ecer Certification:
Verified Supplier 
FinEx Precision fastener company is a manufacturer specializing in the production and sales of screws, nuts, rivets, springs, customize hardware and other industrial fasteners.More than 20 years of experience in the field of fasteners with a 6,000 square meters factory, a 70 people team and has obta... FinEx Precision fastener company is a manufacturer specializing in the production and sales of screws, nuts, rivets, springs, customize hardware and other industrial fasteners.More than 20 years of experience in the field of fasteners with a 6,000 square meters factory, a 70 people team and has obta...
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