Here is a rewritten and improved version of the provided content in English, with added details to meet the 500-character requirement and make it sound more natural and human-like:
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**Product Specifications:**
- **Model No.:** DIN603
- **Brand Name:** Goshen
- **Product Name:** DIN603 Carriage Bolt with Mushroom Head Square Neck
- **Size Range:** M3 to M12
- **Samples Available:** Free
- **OEM/ODM Support:** Customized production based on your drawings or specifications
- **Shipment Time:** 5–20 days
- **Packaging:** Carton + Pallet
- **Thread Type:** Machine Thread
- **Supply Capacity:** 100 tons per month
- **Port of Shipment:** Ningbo or Shanghai
- **Trademark:** Goshen
- **Standards:** DIN, ISO, ANSI, JIS, BS, UNI
- **Origin:** Zhejiang, China
- **HS Code:** 73181600
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**Customization & Materials:**
We offer OEM and ODM services for rivet nuts, accepting custom designs and specifications. Our materials include:
1. **Stainless Steel:** SUS201, SUS302, SUS304, SUS316, SUS410, SUS430
2. **Carbon Steel:** C1006, C1008, C1010, C1018, C1022, C10B21, C10B33, C1035, C1045, C435, 40CrMo, 42CrMo
3. **Brass:** C36000 (C26800), C37700 (HPb59), C38500 (HPb58), C27200 (CuZn37), C28000 (CuZn40)
4. **Bronze:** C51000, C52100, C54400
5. **Aluminum:** Al6061, Al6063
6. **Titanium:** TA1–TA8, TB2, TC1–TC10
7. **Alloy Steel:** SCM435, C10B21, C10B33
8. **Iron:** 1213, 12L14, 1215
9. **Standards:** GB, DIN, ISO, ANSI, ASME, IFI, JIS, BSW, AS, Q, HJ, BS, PEN
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**Additional Product Details:**
| Item | Description |
|------|-------------|
| **Name** | DIN603 Carriage Bolt With Mushroom Head Square Neck |
| **Place of Origin** | Zhejiang, China |
| **Grade** | S316, S304, B7, B7M, B8, B8M, etc. |
| **Standards** | GB, DIN, ISO, ANSI/ASTM, B7, BS, JIS, etc. |
| **Material** | Stainless Steel, Carbon Steel |
| **Surface Treatment** | Polishing, Zinc Plating (Yellow, Black, Green), Galvanized, HDG, YZP, etc. |
| **Shape** | Hexagon Nut |
| **Delivery Time** | 15–30 days after order confirmation |
| **Packaging** | Standard export packaging or as per customer requirements |
| **Payment Terms** | L/C or T/T (30% deposit, 70% before delivery) |
| **Non-Standard Options** | OEM available upon submission of drawing or sample |
| **Free Samples** | Available upon request |
| **Website** | [www.cngoshen.com](http://www.cngoshen.com) |
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**Surface Finishes Available:**
- Part galvanization
- Colorful galvanization
- Army green galvanization
- Black galvanization
- Steam black
- Ash phosphorus
- Brass finish
- Nickel plating
- Chrome plating
- Heat galvanization
- Zinc plating (yellow, black, green)
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**Shipping Options:**
- For samples or small orders: Delivered via DHL, UPS, FedEx, TNT, HKDC, or other express services depending on buyer preference.
- For mass orders: Options include Ex Works, FOB by air or sea, based on buyer’s forwarder or our recommended local forwarder.
- To reduce shipping costs, we also offer competitive rates through our local forwarders.
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**Payment Methods:**
- For samples or urgent orders: PayPal, Western Union, MoneyGram, Escrow – 100% payment before delivery.
- For bulk orders: 30% TT deposit, balance paid before delivery.
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Our products are designed to meet international standards and are suitable for a wide range of industrial applications. Whether you need standard components or customized solutions, we are here to support your needs. Contact us today for more information or to place an order.
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