100x 65mm TEK Self Drilling Roofing Screws To Wood, HEX Head With BAZ Washer

BAZ Sealing washers. The long coarse threaded screws are for fixing steel roofing sheets to timber purlins for added support. Roofing Sheets. A: Our composite decking boards are produced in batches and made from 60% recycled hardwood making this a natural product.

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