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Stainless Steel DIN 7991 Countersunk Head Hexagon Socket Screws
Product Specifications:
- **Model No.**: DIN 7991
- **Grade**: A2-70, A4-80
- **Name**: Stainless Steel DIN 7991 Countersunk Head Hexagon Socket Screw
- **Size**: M3 – M24
- **Surface Finish**: Plain
- **Port of Shipment**: Shanghai or Ningbo
- **Length**: 3 – 150 mm
- **OEM**: Available upon customer drawings
- **Delivery Time**: 10 – 30 days
- **Brand Name**: Goshen
- **Product Name**: Hex Socket Screw
- **Payment Terms**: T/T, L/C, Western Union, MoneyGram
- **Trademark**: GS
- **Packaging**: Carton + Pallet
- **Specification**: M3 – M24
- **Origin**: China
- **HS Code**: 7318151001
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**Product Description:**
**Name**: Stainless Steel DIN 7991 Countersunk Head Hexagon Socket Screws
**Mark**: Customized according to customer requirements
**Material**: High-quality stainless steel
**Finish**: Plain (available in other finishes upon request)
**Quality**: Top-grade quality with strict production control
**Corrosion Resistance**: Salt spray test results reach 1000–2000 hours
**Application**: Ideal for machinery, chemical industry, environmental equipment, and construction
**Certification**: ISO 9001:2008, SGS
**Packing**: Standard cartons and pallets, or customized as per client needs
**Delivery Time**: Typically 30–40 days after order confirmation
**Place of Origin**: Zhejiang, China
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We are a professional supplier of high-quality fasteners, dedicated to delivering top-notch products and exceptional service. Our global presence includes customers in Europe, East Asia, North America, the Middle East, and beyond.
In addition to DIN 7991 countersunk head screws, we offer a wide range of fasteners including:
| **Name** | **Description** |
|----------|-----------------|
| Bolts | Hex bolts, socket head cap screws, hexagon head bolts |
| Screws | Machine screws, self-tapping screws, wood screws |
| Nuts | Hex nuts, lock nuts, wing nuts, slotted nuts |
| Washers | Flat washers, spring washers, lock washers |
| Rods | Carbon steel rods, stainless steel rods |
| Fasteners | Studs, threaded rods, set screws |
| Stamping Parts | Custom stamped components |
| Garage Door Parts | Hinges, rollers, tracks |
Our products adhere to international standards such as DIN, IFI, ISO, JIS, AS, BS, EN, SAE, and ASTM. We provide various grades including:
- **Bolt Grades**: 4.6, 4.8, 5.6, 5.8, 8.8, 10.9, 12.9 (DIN), Gr 2, Gr 5, Gr 8 (ASTM)
- **Nut Grades**: Gr 8, Gr 10, Gr 12 (DIN), Gr 2, Gr 5, Gr 8 (ASTM)
**Thread Types**: UNC, UNF, UNEF, M, BSW, BSF, TR, ACME, NPT, TP
**Materials Used**:
- Carbon steel: 1035, 1045, 40Cr, 35CrMo, 42CrMo, B7, 20Mn2, M20
- Stainless steel: 303, 304, 304L, 316, 316L
- Brass: H58, H59, H62
**Finishes Available**:
Plain, Zinc-plated, Passivated, Nickel-plated, HDG, Black Oxide, Dacromet, Geomet, etc.
**Production Techniques**: Cold forging, hot forming, machining, heat treatment, stamping, and more.
**Production Capacity**: 200 tons per month.
We specialize in manufacturing and supplying a variety of countersunk bolts, including but not limited to:
- DIN 963
- DIN 963 Slotted Countersunk Head Bolts
- Stainless Steel DIN 963 Slotted Countersunk Head Bolts
- Carbon Steel DIN 963 Slotted Countersunk Head Bolts
- Galvanized DIN 963 Slotted Countersunk Head Bolts
- Zinc Plated DIN 963 Slotted Countersunk Head Bolts
In addition to bolts, we also supply nuts, screws, washers, and other types of fasteners. Whether you need standard or custom-made parts, we can meet your requirements.
Our goal is to deliver reliable, durable, and high-performance fasteners that meet international standards and exceed customer expectations. Let us be your trusted partner in the fastener industry.