1.1- PACKAGE CONTENTS - 10pcs of hex head socket head cap screws, Thread: Partially Threaded; Thread Size: 1/2'-13; Thread Length: 3-1/2'; Head Diameter: 0.75'; Head Thickness: 0.5'; Hexagon Width: 3/8'; They are a versatile and reliable choice for a wide range of industrial and commercial applications. 2.2- MATERIAL - superior corrosion resistance, strength, durability, hygienic properties, aesthetic appeal, and temperature resistance, making it a versatile and reliable choice for various industrial and commercial applications. 3.3- Work Environment - It performs well in moderate temperature environments and low corrosion risk areas, ing durability and resistance to corrosion where needed. 4.4- Applications - Used in machinery to fix and connect parts to ensure stable operation. These screws are essential for assembling machines, equipment, and tools and maintaining their structural integrity. Widely used in 3D Printers, RC Plane, Home Appliances, Engines, Lathes, Chassis, Seats, Compressors, Generators, Robots, Conveyor Systems, Assembly Lines, Electronics, Routers, and Switches. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store