Hillman Round Head Machine Screw, 10-24 x 3/4 In. are designed to fasten metal parts together securely, either by using nuts or by screwing directly into a threaded receptacle. The length of the screw is measured from the underside of the head to the tip, ensuring precise fit for your fastening needs. For optimal performance, it is to use nuts that match the screw’s finish and threading. This reliable machine screw is for various metalworking applications where a strong and durable connection is required. Model Number: