- Model No.: DIN603
- Type: Round Head Bolt
- Head Style: Round Head
- Grade: 8.8
- Finish: Hot-Dip Galvanized (HDG)
- Available Standards: DIN, ISO, JIS, ANSI, BSW
- Brand Name: JR
- Size Range: M5 to M20
- HS Code: 7318159001
- Material: Carbon Steel
- Connection Type: Standard Bolt
- Standard: DIN
- Application: Machinery and Construction
- Certification: ISO, RoHS, SGS
- Available Materials: Stainless Steel (SS304, SS316), Carbon Steel
- Packaging: Plastic Bag + Carton Box + Wooden Pallet
- Origin: China
1. **Certifications:** ISO, ROHS, SGS
2. **Standards Available:** DIN, ANSI, ASTM, JIS, BSW
3. **Strength Grades:** 4.8, 8.8, 10.9, 12.9, A2-70, A4-70, A4-80
4. **Finishing Options:** Yellow Zinc Plated, Blue Zinc Plated, White Zinc Plated, Galvanized, HDG, Chromate, Dacromet
5. **Materials Available:** Carbon Steel, Stainless Steel (SS304, A2, SS316, A4)
6. **Sizes & Dimensions:** M2 to M100, Lengths from 5mm to 300mm, MOQ: 500pcs, Ports: Shenzhen, Shanghai
7. **Packing Options:** Plastic Bags + Chipboard
Product Name | Hot-Dip Galvanized Mushroom Head Square Neck Carriage Bolt |
Material | Carbon Steel |
Color | Yellow, Blue, White Zinc Plated |
Standard | DIN, GB, ISO, JIS, BA, ANSI |
Grade | 4.8, 6.8, 8.8, 10.9, 12.9 |
Finish | Zinc Plated, Black Oxide, Nickel, HDG, Chromate |
Thread Type | Coarse, Fine |
Usage | Construction Industry, Machinery |
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Packing Details
PLASTIC BAG + CARTON + WOODEN PALLET
EACH BAG CONTAINS APPROXIMATELY 3–4 KG, 25 KG PER CARTON, AND LESS THAN 900 KG PER PALLET

We use advanced testing equipment such as optical filter instruments and hardness testers for quality assurance. Our products are certified under the ISO 9001:2008 system and comply with ROHS standards. Every step of the production process is strictly controlled to ensure high-quality output. FAQ
Q: Are you a trading company or manufacturer?
A: We are a factory that offers OEM services.
Q: What is your delivery time?
A: If in stock, it usually takes 7–10 days. If not in stock, it may take 15–20 days depending on the order quantity.
Q: Do you offer samples? Are they free?
A: Yes, we can provide free samples, but the shipping cost will be borne by the customer.
Q: What are your payment terms?
A: 30% T/T in advance, balance before shipment, or L/C.
If you have any other questions, feel free to contact us at the following details.
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Yesino Metal Co., Ltd , https://www.yesinometal.com