These Stainless Steel Flat Head Socket Machine Screw Bolts are a great addition to any toolbox. With a size of 1/2 -13 x 2-1/2 and a pack of 50, they are perfect for any industrial or personal project. Their hex-key drive style and flat head style make them easy to use and sleek in appearance. Made of high quality stainless steel, these screws are durable and reliable. They have a grade of stainless steel and a finish of stainless steel, ensuring that they will last for a long time. Their thread size of #13 and screw size of #1/2 make them versatile and suitable for a variety of applications. Get your hands on this pack of screws now!