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ASME A325 Heavy Hex Structural Bolts (HDG)
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**Basic Information:**
- **Model No.:** ASTM A325
- **Type:** Hexagon Head
- **Head Style:** Hexagonal
- **Grade:** 8.8
- **Finish:** Color-Zinc Plated, Black, Plain, ZP, HDG
- **Marking:** Custom
- **Trademark:** NGL
- **Specification:** 1/4 - 3
- **HS Code:** 7318150000
**Material:** Carbon Steel
**Connection:** Common Bolt
**Standard:** ANSI
**Application:** Machinery, Chemical Industry, Construction
**Size:** 1/4 - 3
**Length:** Custom
**Transport Packaging:** 25kgs per Carton, then Palletized for Europe
**Origin:** Ningbo, China



| DEC | Size | Finish | Grade |
|-----|------|--------|-------|
| A490 | 1/4-2 | HDG | 8.8 |
**Basic Info:**
- **Model No.:** ASTM A325
- **Material:** Stainless Steel
- **Type:** Hexagon Head
- **Head Style:** Hexagonal
- **Standard:** ASTM
- **Connection:** Common Bolt
- **Finish:** Stainless
- **Export Markets:** Global
**Additional Information:**
- **Trademark:** NGL
- **Packing:** 25kgs per box, 36 boxes per pallet
- **Standards:** ASTM, DIN, ANSI, ISO, etc.
- **Origin:** Ningbo, China
- **Production Capacity:** 1600 Ton/Month
**Product Description:**
Our structural bolts are manufactured according to ASTM A325 standards and include options such as A490 bolts. They are available in various materials including carbon steel, alloy steel, and stainless steel. Surface finishes can be plain, black, zinc-plated (ZP), hot-dipped galvanized (HDG), or other custom options. Each product is carefully packaged to ensure safe delivery.
**Competitive Advantages:**
1. **Top Quality Control** – We ensure every bolt meets international standards.
2. **Competitive Pricing** – We offer cost-effective solutions without compromising on quality.
3. **Custom Designs** – Flexible design options to meet your specific needs.
4. **OEM Accepted** – We welcome OEM orders and custom branding.
5. **Customer-Centric** – Your logo and design are always welcomed.
Whether you're looking for high-strength structural bolts for construction, industrial use, or chemical applications, we provide reliable and durable fasteners that deliver long-term performance. Contact us today for a quote and detailed specifications!