Hillman Round Head Machine Screw, 10-24 x 3 In. is designed to fasten metal parts 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 pair this screw with nuts that match its finish and threading. This machine screw combines durability and reliability, making it a dependable choice for various metal fastening applications. Model Number: