**Rui'an Hangxin Fasteners Factory (Qingdao Hengfei Trade Co., Ltd)**
We are a professional manufacturer of nuts, offering high-quality products with advanced production technology. Our factory is equipped with imported high-speed multi-station nut formers and Japanese high-speed nut-tapping machines, ensuring precision and efficiency in manufacturing. This advanced process eliminates the need for secondary operations, enhancing product accuracy and customer satisfaction.
**Product Specifications:**
- **Model No.:** M6~M36; 1/4-4"
- **Price:** Competitive Price
- **After-sales Service:** Reliable After-sales Support
- **Shipment:** Timely Delivery
- **Quality:** High Quality
- **Design:** Customized According to Customer Requirements
- **Packing:** Customized Packing Options
- **Quantity:** As Per Customer's Request
- **MOQ:** 5000 PCS
- **Payment Terms:** T/T
- **Guarantee:** As Required
- **Trademark:** HighFly Fastener
- **Transport Package:** Paper Case
- **Specification:** M5, M6, M8, M10, M12
- **Origin:** China
- **HS Code:** 7318159090
**Nuts Overview:**
Our nuts are available in sizes from M3 to M20 and are manufactured using materials such as Carbon Steel, Alloy Steel, Stainless Steel, and Brass. Surface treatments include ZP, Phosphating, HDG, Mechanical Galvanized, Powder Coating, and Dacromet. We offer a wide range of nut types including Hexagon Nuts, Hexagon Weld Nuts, Flange Nuts, Castle/Slotted Nuts, Nylon Insert Nuts, Lock Nuts, and many other custom options based on client specifications.
**Technical Delivery Conditions (For DIN Nuts Only):**
| Material | Steel | Stainless Steel | Non-Ferrous Metal |
|----------|-------|------------------|-------------------|
| General Requirements | As specified in DIN 267 Part 1 | As specified in DIN 267 Part 1 | Subject to agreement |
| Thread Tolerance | 6H | 6H | 6H |
| Thread Standard | DIN 13 Part 12 & 15 | DIN 13 Part 12 & 15 | DIN 13 Part 12 & 15 |
| Property Class | For M2.5: 6; For M3-M39: 6, 8, 10 | A2-70, A4-70 | Subject to agreement |
| Mechanical Properties Standard | ISO 267 Part 4 | DIN 267 Part 11 | DIN 267 Part 18 |
| Product Grade | A for products up to size M24 and L ≤ 10d or 150mm; B for products exceeding M24 or L > 10d or 150mm | A for products up to size M24 and L ≤ 10d or 150mm; B for products exceeding M24 or L > 10d or 150mm | Subject to agreement |
| Surface Finish | As processed, Bright | Bright | Bright |
| Surface Roughness | DIN 267 Part 2 | DIN 267 Part 2 | DIN 267 Part 2 |
| Permissible Surface Discontinuities | DIN 267 Part 20 | DIN 267 Part 20 | DIN 267 Part 20 |
| Widening Test | DIN 267 Part 21 | DIN 267 Part 21 | DIN 267 Part 21 |
| Electroplating | DIN 267 Part 9 | DIN 267 Part 9 | DIN 267 Part 9 |
| Hot Dip Galvanizing | DIN 267 Part 10 | DIN 267 Part 10 | DIN 267 Part 10 |
| Acceptance Inspection | DIN 267 Part 5 | DIN 267 Part 5 | DIN 267 Part 5 |
**Partnerships:**
We have long-term and stable cooperation with well-known companies in China, including Haier Group, Hisense Group, Beijing Automotive Group, and SGMW Wuling Group.
**Gallery:**
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If you have any inquiries, we will send you a quotation shortly. Let us be your reliable partner in fastener solutions.
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Liaoning Kelong Fine Chemical Co.Ltd. , https://www.kelongchemy.com