These self-drilling screws are designed to make your construction projects smoother and more efficient. With a Phillips flat head and a 12-24 thread size, they provide a secure fit and finish for a variety of materials. Each screw measures 2-1/2 inches in length, making them ideal for tasks that require a precise and reliable fastening solution. Sold in packs of 100, these screws are perfect for both professional builders and DIY enthusiasts looking to stock up on essential hardware.