Profile: Masons Fasteners Ltd. specializes in supplying fastener products. Our products include machine screws, self tapping screws, hex head sets & bolts, hex head flanges bolts, solid rivets, blind rivets & tools, socket screws, nuts and washers. We manufacture from 2 mm diameter up to 12 mm diameter up to 100 mm long in a variety of materials including mild steel, high tensile steels, stainless steel, brass and phosphor bronze.