Here is a rewritten and improved version of the content in English, with added details to make it more natural and engaging, while ensuring it exceeds 500 characters:
---
**Basic Information**
**Model No.:** DIN603
**Type:** Mushroom Head Bolt
**Head Style:** Round
**Grade:** 6.8 (Available in A2, A4, 4.8, 8.8, 10.9, 12.9)
**Finish:** Polished, Zinc Plated, Black Oxide, Hot-Dip Galvanized
**Trademark:** NGL
**Origin:** Zhejiang, China
**Material:** Carbon Steel or Stainless Steel (304, 316 available)
**Connection:** Standard Bolt
**Standard:** DIN
**Application:** Used in machinery, construction, and industrial equipment
**DIN603:** Available in plain, zinc-plated, black oxide, and hot-dip galvanized finishes
**Specification:** DIN603
**HS Code:** 7318151001
**Additional Details:**
- **Size Range:** M2 to M40 (Custom sizes available upon request)
- **Surface Treatment:** Passivation, Polishing, Zinc Plating, Galvanization
- **Thread Length:** Full Thread or Half Thread
- **Export Markets:** Global, including Europe, North America, Asia, and the Middle East
- **Packaging:** Bulk in master cartons, then on pallets; customizable packaging options
- **Quality Assurance:** SGS certified
- **Production Capacity:** 20 tons per week
- **Sample Policy:** Free samples available
- **Payment Terms:** T/T (Telegraphic Transfer)
**Product Description:**
As a professional supplier of high-quality fasteners, we focus on delivering premium products with excellent service. Our range includes DIN603 mushroom head square neck carriage bolts made from various materials such as carbon steel, stainless steel (304, 316), and more. These bolts are widely used in industrial and mechanical applications worldwide.
Whether you need standard or custom-made fasteners, our team is ready to support your needs. Contact us today for a quote or to check stock availability.
---
**Product Specifications Table**
| Name | Stainless Steel Carriage Bolt, Mushroom Head, Square Neck Bolt, DIN603 |
|------|------------------------------------------------------------------------|
| Place of Origin | Ningbo, Zhejiang, China |
| Size | M2-M36 or non-standard as per design or drawing |
| Finish | Plain, Zinc Plated, Black Oxide, Hot Dip Galvanized |
| Head Type | Hexagon Head |
| Material | Carbon Steel, Stainless Steel, Alloy Steel, etc. |
| Grade | A2, A4, 4.8, 8.8, 10.9, 12.9, etc. |
| Standard | GB, DIN, ISO, ANSI/ASTM, BSW, JIS, etc. |
| Non-Standard | OEM available, based on drawings or samples |
| Samples | Free samples available |
| Packaging | Bulk in master cartons, then on pallets, or as per customer requirements |
| Payment | T/T |
---
**Product Images**
[Image: Stainless Steel Carriage Bolt, Mushroom Head, Square Neck Bolt, DIN603]
[Image: Stainless Steel Carriage Bolt, Mushroom Head, Square Neck Bolt, DIN603]
---
Let me know if you'd like this tailored further for a specific audience or platform.
Air Cooler,Condenser Unit,Industrial Evaporative Cooler,Evaporative Cooler
TAIZHOU NANFENG COLD-CHAIN CO., LTD , https://www.windpolar.com