![Timco Stitching Screws - Hex - For Sheet Steel - Exterior - Silver - With EPDM Washer](http://justthejobsupplies.co.uk/cdn/shop/products/stitching-screw-for-sheet-steel-exterior_1_{width}x.jpg?v=1604678389)
Used for stitching two metal roofing sheets together without the need to pre-drill a hole (Max. 1.6mm). Self-drilling point and tapered shank, with a washered hexagon head.
Exterior plating gives a reliable and durable corrosion resistant coating which resists 1,000 hours salt-spray
- Washer - 16mm
- Head Type - Hex
- Thread Type - 60° Tapered Self-Tapping
- Point Type - Self-Drilling No.2 Reduced
- Material - Case & Core Hardened Carbon Steel
- Corrosion Rating (1-5) -Â 3 - Urban & industrial areas with a low salt atmosphere