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**OEM Non-Standard Custom High Quality Black Heavy Carbon Steel Square Nut**
**Product Specifications:**
- **Model No.:** WJ0116-7
- **Trademark:** WANJIN
- **Transport Package:** Plastic Bag + Carton Box + Wood Pallet
- **Specification:** Customized sizes
- **Origin:** Dongguan, China
- **HS Code:** 7318160000
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**Product Details:**
| Item | Description |
|------|-------------|
| **Item Name** | OEM Non-Standard Custom High Quality Black Heavy Carbon Steel Square Nut |
| **Standards** | DIN, BS, ANSI, JIS, GB and more |
| **Raw Material** | Carbon steel, other custom materials available |
| **Surface Finish** | Zinc Plated, Ni Plated, Brass Plated, Tin Plated, Black Plated, Copper Plated |
| **Hardness Grade** | Up to 6.8, 8.8, 9.8, 10.9, 12.9 |
| **Shank Diameter** | M0.8 - M20 |
| **Heat Treatment** | Both material and product heat treated |
| **Manufacturing Process** | Wire Drawing, Cold Heading, Threading, Heat Treatment, Surface Plating, Packing |
| **Sample Availability** | Samples are available |
| **Port** | Shenzhen, China |
| **Minimum Order Quantity (MOQ)** | We accept test orders of small quantity |
| **Price Terms** | FOB, CIF, CFR, EXW, and other trade terms |
| **Payment Terms** | T/T, L/C, Western Union, PayPal, etc. |
| **Lead Time** | 7–30 days, depending on order quantity and requirements |
| **Warranty Policy** | 99.9% quality assurance with a 6-month warranty |
| **After Sales Service** | We provide full support after the sale and help solve any issues |
| **Notice** | For customized products, please specify size, quantity, grade, and finish |
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**Company Introduction**
Dongguan Wanjin Hardware Products Co., Ltd. is a professional manufacturer specializing in fasteners for over 11 years. Located in Dongguan, Guangdong, our factory is close to Shenzhen and Guangzhou, making logistics efficient and convenient. We produce a wide range of non-standard and standard fasteners including bolts, studs, rivets, pins, and stamping parts.
Our products are widely used in industries such as construction, automotive, machinery, and more. We ensure high-quality standards through strict ISO control and offer competitive pricing due to direct production without intermediaries.
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**Company Certifications**
We hold various certifications to guarantee our quality and reliability. You can view our certificates below:
[Image: Company Certificate]
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**FAQs**
**Q1: Are you a manufacturer or trading company?**
A: We are a professional manufacturer with over 11 years of experience in producing fasteners. We have our own factory located in Dongguan, China.
**Q2: How about your price?**
A: As a direct manufacturer, we eliminate middlemen and offer competitive prices while maintaining high quality.
**Q3: What kind of materials do you use?**
A: We use carbon steel (low and medium), alloy steel, stainless steel, and brass.
**Q4: Do you support customized products?**
A: Yes, we can produce according to your drawings or specifications.
**Q5: Do you produce standard or non-standard bolts?**
A: We produce both standard and non-standard bolts, with regular production for ANSI and DIN standards.
**Q6: Can we print our logo?**
A: Yes, we can customize logos based on your request.
**Q7: Can you provide samples?**
A: Free samples are available for standard products. For custom items, tooling and proofing charges may apply.
**Q8: How do you ensure quality?**
A: We implement 8 steps of quality checks during production, with in-house and third-party inspections.
**Q9: What is the lead time?**
A: Usually 10–20 days after receiving the deposit.
**Q10: What payment terms do you accept?**
A: T/T, cash, Western Union, L/C, and others.
**Q11: Do you offer after-sales service?**
A: Yes, we provide full support and assistance at any time.
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**Contact Person:**
Johnson Ding
Manager
**Company:** Dongguan Wanjin Hardware Products Co., Ltd.
**Mobile:** +86 138 2928 1677
**Phone:** +86 769-87895175
**Fax:** +86 769-82094660
**Address:** No. 3, Sanxing Road, Tiesong Industrial Zone, Qingxi Town, Dongguan City, Guangdong Province, China.
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