Ideal for hinges in brass, fits flush allowing exact fit. Fully threaded for secure fix. Hardened so allows power driving. Will not snap on insertion. Tri-Lock so balanced straight insertion - perfect flush fit in hinge. This pack of hinge screws are constructed from a durable metal, 25mm in length and come fully threaded. They have tri-lock threadform and shank. They're ideal for a range of DIY applications.