![Timco Stitching Screws - Hex - For Sheet Steel - Zinc - with EPDM Washer - 6.3mm x 22mm](http://justthejobsupplies.co.uk/cdn/shop/products/stitching-screw-for-sheet-steel-zinc_1_{width}x.jpg?v=1604678092)
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.
- Washer - 16mm
- Head Type - Hex
- Thread Type - 60° Tapered Self-Tapping
- Point Type - Self-Drilling No.2 Reduced
- Material - Case & Core Hardened Carbon Steel