The Forgefix Hex Head Stitching Screws are designed specifically for joining cladding sheets together. They have a Hex head and a self-drilling point which enables speedy insertion. The rubber washer beneath the aluminium flange expands under pressure to form a permanent weather seal. The screws are zinc plated and have an 'Elementech' coating for superior corrosion resistance, which is spray tested to 1,000 hours. They can join up to 3 sheets of 0.7mm thickness. Specifications: Size: 6.3 x 22mm. Pack quantity: 100. https://elecena.pl/product/27231731/forgefix-techfast-hex-head-stitching-screw-self-drill-6-3-x-22mm-pack-100 2024-11-11 https://elecena.pl/product/27231731/forgefix-techfast-hex-head-stitching-screw-self-drill-6-3-x-22mm-pack-100 2025-03-13