This set of 25 black flat head socket machine screw bolts is perfect for your fastening needs. Made with durable materials and a hex-key drive style, these screws come in a #11 thread size and 5/8 inch screw size. The item length is 3 inches with a flat head style that ensures a flush finish. Ideal for use in a variety of industries including business and industrial, these screws are a must-have for anyone looking for a reliable and sturdy fastening solution. Add them to your toolbox today and experience the convenience and ease of use that comes with these exceptional machine screws.