5.5 x 25mm Hexagon Self-Drilling Screws – Light Section Steel ? (with 16mm EPDM Washer) ? Bi-Metal Exterior ? For 1.2-5.0mm Steel Thickness
£0.44 - £0.55
Excluding VAT (If price is per 100, you can still order any quantity)
SKU: 60144.505.250
Hex head self-drilling screws, for joining roofing sheets to light section steel (Max. 5.0mm) without the need to pre-drill a hole.
• Hardened carbon steel drill tip fused on to an A2-304 Austenitic Stainless Steel body
Available
| Head Type | Hex |
| FW Ø (mm) | 11 |
| Type | For Light Section Steel |
| Thread Type | 60° Self-Tapping |
| Substrates | Steel |
| MDT (mm) | 5 |
| Material | Bi-Metal/A2-304 Stainless Steel/Carbon Steel |
| Size (mm) | 5.5 x 25 |
| Corrosion Rating (1-5) | 4 – Urban & industrial areas with a moderate salt atmosphere |
| Head H (mm) | 5.3 |
| EPDM Washer (mm) | 16 |
| Effective Thread L (mm) | 9 |
| Socket Size (mm) | 8 |
| Point Type | Self-Drilling No.3 |
| Finish | Exterior (Silver Organic) |
| Drill Tip L (mm) | 8.5 |
| Included Items | 16mm EPDM Washers |
| Thread Coverage | Fully Threaded |