- Model No.: DIN7991
- Type: Countersunk Head Bolt
- Connection: Standard Bolt
- Standards: DIN, GB, ANSI, JIS
- Certifications: ISO, RoHS, SGS
- Available Materials: Stainless Steel, Carbon Steel
- Brand: JR
- Size Range: M3 to M24
- HS Code: 3917400000
- Material: Carbon Steel
- Head Style: Countersunk (CSK)
- Socket Type: Hexagon
- Grade: 10.9
- Standards Available: DIN, ISO, JIS, ANSI, BSW
- Size: 3mm to 24mm
- Packaging: Plastic Bag + Carton Box + Wooden Pallet
- Origin: China
1. **Certification:** ISO, ROHS, SGS
2. **Standards:** 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. **Material Options:** Carbon Steel, Stainless Steel (SS304, SS316), A2, A4
6. **Sizes:** M2 to M100, Length: 5mm to 300mm
7. **Minimum Order Quantity (MOQ):** 500 pcs
8. **Port of Shipment:** Shenzhen, Shanghai
9. **Packing Options:** Plastic Bags + Chipboard Boxes
Product Name | Carbon Steel Black Oxide Hex Socket Countersunk Head Screw |
Material | Carbon Steel |
Color | Black |
Standards | DIN, GB, ISO, JIS, BA, ANSI |
Grade | 4.8, 8.8, 9.9, 10.9, 12.9 |
Finish | Black Oxide |
Thread Type | Coarse, Fine |
Application | Construction, Machinery |
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FAQ
Q: Are you a trading company or manufacturer?
A: We are a factory and offer OEM services.
Q: What is your delivery time?
A: Typically 7–10 days if in stock, 15–20 days if not. Lead time depends on order quantity.
Q: Do you provide samples? Are they free?
A: Yes, we can provide samples at no cost, but shipping charges apply.
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 via email or phone. We're here to help!
With the development and progress of the company, achieving a one-stop service system from sales to maintenance. In the company's development and growth in the past few years, we always adhere to customers to provide quality product information, comprehensive technical support and sound after-sales service as the concept, in the customer group has always maintained a good reputation. After many years of experience and accumulation, sales professional innovation, our integrity and quality services, has been consistent with the industry customers and praise.Have different models low bed truck semi trailer ,low bed chassis semi trailer etc.
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