M6 M18 Stainless Steel Plain Metal Hexagon Flange Bolt SS304 SS316 A2 A4 DIN6921
| Attribute | Value |
|---|---|
| Thread Pitch | Customized |
| Length | Customized |
| Sample | Available |
| Thread Type | Coarse/customized |
| Package | PE+Carton +Pallet |
| Standard | DIN |
| Application | Construction, Automotive, Machinery |
| Measurement System | INCH, Metric |
| Style | steel washer |
| Size | 1/4 inch |
| Quantity | 100 |
| Shape | Round |
| Head Style | Truss, Flat |
| Bulk Lead Time | 15~20days |
| Function | Connection,Fastening |
| Service | Customized OEM |
| Thread Size | 20 |
| Usage | Fastening |
Galvanized hex bolts are coated with zinc through two primary methods:
The bolt is immersed in molten zinc (≈450°C), forming a thick, robust zinc-iron alloy layer. Provides superior corrosion resistance (up to 50+ years in mild environments). Ideal for outdoor or marine applications. Thicker coating (50–150 μm) but may have a slightly rough surface.
Zinc is deposited via electrolysis, creating a thin, smooth coating (5–25 μm). Offers moderate corrosion protection, suitable for indoor or dry environments. Maintains precise thread dimensions due to thinner coating.
Galvanized hex bolts are essential in industries exposed to moisture, chemicals, or weather:
- Construction & Infrastructure: Structural steel connections (beams, bridges, towers), roofing, HVAC systems, and outdoor fixtures.
- Automotive & Transportation: Chassis components, trailers, and marine equipment.
- Energy & Utilities: Power line towers, wind turbines, and solar panel mounts.
- Agriculture & Marine: Farm machinery, irrigation systems, and boat fittings.
- General Manufacturing: Machinery assembly, pipelines, and industrial equipment.
- Integrated Flange: Built-in circular flange beneath the hexagonal head eliminates the need for separate washers.
- Hexagonal Head: Allows easy tightening/loosening with standard wrenches or sockets.
- Serrated Flange (Optional): Enhances grip and anti-rotation properties.
- Material Versatility: Available in steel, stainless steel, or coated alloys for corrosion resistance.
- Durability: Engineered to withstand high stress, temperature variations, and harsh environments.
Our Metal Bolt product comes with comprehensive technical support and services:
- Expert assistance with installation, operation, and maintenance
- Repair and replacement services for defective products
- Training and consultation services to maximize product potential
- Packaging: Each bolt in clear plastic bag labeled with size/quantity, placed in sturdy cardboard box with cushioning
- Shipping: Standard ground shipping with tracking number provided
JS
DIN603
China
DIN603
1 PCS
$0.02
15-20 days
5,000,000 PCS/WEEK
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