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The Composite Panels Plastic Head Screws (known as Bi Hex) we supply, come with a nylon head and are available in 30 different colours. Available in lengths of 66mm to 150mm, these screws are perfect for fixing light to heaving gauge steel and come with a 16, 19 or 29mm thick bonded sealing washer.
Stitcher screws for sheet sidelaps are also available with a nylon head and standard 26mm bonded washer and we can also provide a heavy section self drill screw which is capable of drilling steel up to 10mm thick.