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Hex Head Self-drilling Screws with Composite Washers
Hex head self-drilling screws fitted with a bonded EPDM composite washer. The sealing washer keeps water out of the fixing point, making these the standard choice for metal roofing and cladding sheets.
Specifications
| Material | Carbon Steel (C1022) |
| Surface Treatment | Zinc Plated |
| Head Type | Hex Head |
| Washer | Composite EPDM Sealing Washer |
| Standard | GB/T 15856.1 / DIN 7504 |