The DIN 912 HDG hexagon socket head cap screw is an essential component for solar installation. This high-quality screw is designed to securely fasten solar panels, ensuring they remain in place even in challenging weather conditions. The hot-dip galvanized coating provides excellent corrosion resistance, making it perfect for outdoor use in solar projects. With its hexagon socket head design, it allows for easy installation with a hex key, providing a strong and reliable connection for the solar panels. Whether it's for residential or commercial solar installations, the DIN 912 HDG hexagon socket head cap screw is a trusted choice for professionals looking to ensure the durability and longevity of their solar systems.
| Place of Origin | China | Size | M5-M64 |
| Brand Name | OEM | Packaging Details | Product bulk in plastic, bagCarton box,Wood pallet |

Model Description:thread diameter *screw length(D*L)M4*10
| Size | Length L | pitch | height k | head dia dk | inner hex side length S |
| M2 | 4mm-20mm | 0.4 | 2 | 3.8 | 1.5 |
| M2.5 | 4mm-35mm | 0.45 | 2.5 | 4.5 | 2 |
| M3 | 4mm-35mm | 0.5 | 3 | 5.5 | 2.5 |
| M4 | 4mm-60mm | 0.7 | 4 | 7 | 3 |
| M5 | 6mm-60mm | 0.8 | 5 | 8.5 | 4 |
| M6 | 8mm-100mm | 1 | 6 | 10 | 5 |
| M8 | 10mm-100mm | 1.25 | 8 | 13 | 6 |
| M10 | 12mm-100mm | 1.5 | 10 | 16 | 8 |
| M12 | 16mm-100mm | 1.75 | 12 | 18 | 10 |








DIN912 HDG Hexagon socket head cap screws bolt nut washer set




