


🔧 Screw it right, screw it tight — the pro’s choice for flawless metal fastening!
These 4.2mm x 16mm black self-drilling wafer head screws are crafted from zinc plated steel, engineered to drill through metal sheets up to 3mm thick with maximum holding power. Packaged in a convenient set of 50, they meet DIN 7504 and ISO 15482 standards, delivering reliable, corrosion-resistant fastening solutions ideal for roofing, windows, and unsupported metal applications.
| Manufacturer | Screws City |
| Part number | DIN 7504 |
| Item Weight | 86 g |
| Manufacturer reference | DIN 7504 |
| Size | 4.2mm x 16mm |
| Colour | Black |
| Finish | Zinc Plated |
| Material | Steel Black Zinc Plated |
| Shape | Cylindrical with a Wafer Head |
| Number of Pieces | 50 |
| Head Style | Wafer |
| Cutting Diameter | 10.7 Millimetres |
| Measurement System | Metric |
| Specification met | ISO 15482 |
| Batteries included? | No |
| Batteries Required? | No |
| Item diameter | 10.7 Millimetres |
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