- Model No.: DIN7991
- Type: Countersunk Head
- Connection: Common Bolt
- Standards: DIN, GB, ANSI, JIS
- Certifications: ISO, RoHS, SGS
- Available Materials: Stainless Steel, Carbon Steel
- Brand Name: JR
- Specifications: M3 - M24
- HS Code: 3917400000
- Material: Carbon Steel
- Groove Type: Hexagon
- Head Style: Countersunk Bolt
- Grade: 10.9
- Available Standards: DIN, ISO, JIS, ANSI, BSW
- Size Range: 3-24mm
- Packaging: Plastic Bag + Carton Box + Wood Pallet
- Origin: China
1. **Certification:** ISO, ROHS, SGS
2. **Available 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. **Materials Available:** Carbon Steel, Stainless Steel (SS304, SS316), A2, A4
6. **Size Range:** M2 – M100, Length: 5 – 300mm
7. **MOQ:** 500 pcs
8. **Port of Shipment:** Shenzhen, Shanghai
9. **Packing Options:** Plastic Bags + Chipboard
| Product Name | Carbon Steel Black Galvanized Hex Socket CSK/Countersunk Head Screw |
| Material | Carbon Steel |
| Color | Black |
| Standards | DIN, GB, ISO, JIS, BA, ANSI |
| Grade | Gr4.8, Gr8.8, Gr9.9, Gr10.9, Gr12.9 |
| Finish | Black Oxide |
| Thread Type | Coarse, Fine |
| Application | Construction Industry, Machinery |
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FAQ
**Q:** Are you a trading company or manufacturer?
**A:** We are a factory and offer OEM services.
**Q:** How long is the delivery time?
**A:** It usually takes 7–10 days if the product is in stock, or 15–20 days if not, depending on the order quantity.
**Q:** Do you provide samples? Are they free?
**A:** Yes, we can provide samples for free, but the shipping cost is not included.
**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 at any time. We are here to help!
The company's main products are accessories for a full range of internationally renowned brands such as KOMATSU, SHANTUI, and CAT. The company currently has tens of thousands of fixed agents and customers, and its business now covers more than 120 countries and regions around the world. also have the loader parts ,motor grader parts ,Road Roller Parts .Our main aims is to help you and develop me; to meet Shante and be a permanent friend!
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