- Model No.: DIN7991
- Type: Countersunk Head Bolt
- Connection Type: Standard Bolt
- Standards: DIN, GB, ANSI, JIS
- Certifications: ISO, RoHS, SGS
- Available Materials: Stainless Steel, Carbon Steel
- Brand Name: JR
- Specifications: M3 to M24
- HS Code: 3917400000
- Material: Carbon Steel
- Groove Style: Hexagonal
- Head Design: Countersunk Bolt
- Grade: 10.9
- Available Standards: DIN, ISO, JIS, ANSI, BSW
- Size Range: 3mm to 24mm
- Packaging: Plastic Bag + Carton Box + Wooden Pallet
- Origin: China
1. Certifications: 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. Material Options: Carbon Steel, Stainless Steel (SS304, SS316), A2, A4
6. Size Range: M2 to M100, Length: 5mm to 300mm, MOQ: 500pcs, Port: Shenzhen or Shanghai
7. Packing Options: Plastic Bags + Chipboard
Product Name | Grade 10.9 Black Oxide Hex Socket Flat Head Screw (DIN7991) |
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 or Fine |
Application | Construction Industry, Machinery |
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FAQ
Q: Are you a trading company or manufacturer?
A: We are a factory with OEM services available.
Q: What is your delivery time?
A: If the product is in stock, it usually takes 7–10 days. If not in stock, it may take 15–20 days depending on the quantity.
Q: Do you offer 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 at the following:
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HT-Metalforming Equipment Manufacturing Co.,Ltd , https://www.htmetalforming.com