18-8, 1/2"-13 Hex Head Cap Screw, Plain Stainless Steel, 4-1/2 in L, 5 PK

The ZORO SELECT - U51000.050.0450 is a Hex Head Cap Screw, a type of fastener characterized by its hexagonal-shaped head. These screws are typically used to securely join together materials in various industrial applications such as construction, manufacturing, and engineering projects. The screw requires an external hex drive for installation or removal and is made from stainless steel with a plain finish intended to improve its durability and corrosion resistance.

• Drive: An external hex drive is required for application, using a wrench or socket of the same shape.
• Fastener Length: With a length of 4-1/2 inches, this is the potential depth of insertion into material.
• Globally Sourced: Procured from various international manufacturers ensuring diverse range options in quality and price.
• Material Grade/Class: The grade/class 18-8 refers to certain strength, hardness, and resistance properties that may be considered when selecting fasteners for industrial applications.
• Rockwell Hardness: A measure HRB80 which suggests a level of hardness or resistance to penetration that could affect durability and performance in various applications.
• Tensile Strength: With a tensile strength rated at 85,000 psi suggesting the maximum stress it might withstand before failure. This rating may make it appropriate for some heavy-duty industrial applications.
• Thread Direction & Size: Right hand thread direction means it tightens clockwise; Thread size 1/2"-13 intended to fit with corresponding nuts or holes important for secure fastening