The ZORO SELECT - U04104.050.0500 is a Hex Head Cap Screw, a type of fastener with a hexagonal-shaped head used in various industrial applications. These screws are essential for securely joining materials together in construction, manufacturing, and engineering projects. This particular model adheres to ASME B18.2.1 dimensional standards and requires an external hex drive for installation or removal. Fastener Length: These screws have a length of 5 inches and are designed to be inserted into materials.Finish: The product features a Zinc Yellow finish which is intended to contribute towards durability and corrosion resistance.Globally Sourced: This product is sourced from various international manufacturers.Material: This product is made from steel. Its properties such as strength, durability, and corrosion resistance may vary based on the application it's used in.Material Grade/Class: This screw belongs to grade 8 category which suggests that it might possess high strength, hardness and properties; however its performance may depend upon the nature of applicationTensile Strength : It has been tested up to a tensile strength of 150000 psi under controlled conditions; actual results may vary depending on usage conditionsThread Direction & Size : It has right hand thread direction implying that it typically tightens when turned clockwise; the size specification is given as half inch-13 but compatibility with other components should be checked by user