GYPROC Jack-Point Screws 41mm (Box of 1000) Product Information * GYPROC Jack-Point Screws, 41mm (1.61in) length, box of 1000 for bulk trade use. * Designed for fixing plasterboard to metal framing 0.8mm thick and above, including 'I' studs 0.6mm thick and above. * Corrosion-resistant zinc-plated steel with self-drilling, countersunk cross head for secure, flush fixing. Listing is for a full box of 1000 screws
