The product is a set of 378 concrete screws from Bolt World, designed for fixing windows, doors, frames, and timber beams. These screws are 80mm in length, with a 7.5mm diameter and a 7.5mm thread size. Made of brass, they feature a countersunk head style and a star drive style for easy installation. Perfect for use in masonry and UPVC applications, these screws provide a secure and durable fastening solution for various projects in the construction and repair industry.
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