SIP panels / Timber Screw. This is a 160mm long hex bolt made of steel with a hex washer head, featuring a bonded 19mm galvanised washer for added security. This screw is designed for easy installation and provides a strong, reliable fastening solution. Perfect for various industrial and commercial applications, these screws offer durability and a high level of performance. Bag contains 100 pieces. I used these for installation of SIP Panels but are also good for timber
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