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5.5 x 50mm Hexagon Self-Drilling Screws – Light Section Steel ? (with 16mm EPDM Washer) ? Exterior Silver Organic ? For 1.2-5.0mm Steel Thickness
£0.09 - £0.12
Excluding VAT
SKU: 60143.505.500
Hex head self-drilling screws, for joining roofing sheets to light section steel (Max. 5.0mm) without the need to pre-drill a hole.
• Exterior plating gives a reliable and durable corrosion resistant coating which resists 500 hours salt-spray
• Fire Classification – A1
Available
| FW Ø (mm) | 12 |
| Substrates | Steel |
| EPDM Washer (mm) | 16 |
| Head Type | Hex |
| Material | Case & Core Hardened Carbon Steel |
| Pack Type | Box |
| Drill Tip L (mm) | 8 |
| MDT (mm) | 5 |
| Size (mm) | 5.5 x 50 |
| Finish | Exterior (Silver Organic) |
| Approval | BS EN 10666 (DIN 7504) |
| Point Type | Self-Drilling No.3 |
| Corrosion Rating (1-5) | 3 – Urban & industrial areas with a low salt atmosphere |
| Thread Type | 60° Self-Tapping |
| Effective Thread L (mm) | 35 |
| Head H (mm) | 5.6 |
| Thread Coverage | Fully Threaded |