Here is a rewritten and improved version of the original content in English, with added details to reach over 500 characters and make it sound more natural and human-like:
---
**Product Details: DIN439 Hex Thin Nut**
**Model Number:** DIN439
**Type:** Round Head
**Head Style:** Round
**Grade:** 4.8
**MOQ:** 100000 PCS
**Size Range:** M3 – M40 (1/4" – 2")
**Head Type:** Hexagonal Nut
**FOB Prices:** 30% T/T in advance
**Other Sizes Available:** M2.9, M3.5, M4.2, M4.8, M5.5
**Packaging:** Small Box and Carton, or customized according to your requirements
**Origin:** Zhejiang, China
**Material:** Carbon Steel
**Connection:** Hinged Bolts
**Standard:** DIN
**Surface Treatment:** Zinc Plated, Color Zinc Plated
**Delivery Time:** Approximately 30–45 days
**Packing Info:** Carton/Pallet, Small Box/Carton/Pallet
**About Material:** Carbon Steel or Stainless Steel
**Shipment Port:** Shanghai or Ningbo Port
**Trademark:** YD
**Specification:** YD
**HS Code:** 7318160000
**Packaging & Delivery**
- **Packaging Detail:** General Exporting Package or as per customer requirements
- **Delivery Detail:** Within 15 days after order confirmation
**Specifications**
- **Model:** DIN439 (Hex Thin Nut)
- **Sizes:** M5, M6, M8, M10, M12, M16, M20
- **Pitch:** 0.8 – 2.5 mm
- **Thickness:** 3.4 – 16.9 mm
**Additional Information**
- **Standards:** DIN439 (Hex Thin Nut)
- **Material Options:** Stainless steel, carbon steel, copper, iron, spring steel, and brass
- **Certifications:** ISO9001:2000, RoHS
- **Features:** Excellent corrosion resistance, various coating options available
- **Grades Available:** 4.8, 6.8, 8.8, 10.9, 12.9
- **After-Sale Service:** We will replace any defective products immediately
- **Surface Treatments:** Passivation, Galvanized, Dacromet, Black Chromium, or as per your request
- **Packing Options:** Bulk (25kg/carton) or small packaging (customized by customer demand)
- **Application Fields:** Construction industry, furniture, and public equipment
- **MOQ:** 50 PCS
We are committed to providing high-quality fasteners that meet international standards. If you have any questions or need further assistance, feel free to contact us.
**Sincerely looking forward to hearing from you soon,**
**Warm regards,**
**Linda**
**Mobile:** +86 15267834553
---
Let me know if you'd like this tailored for a specific platform or audience.
Rib Fabric,Rib Knit Fabric,Ribbed Jersey Fabric,Ribbed Cotton Fabric
SHAOXING BAOYING TEXTILE CO.,LTD , https://www.baoyingfabric.com