Grade 8, 1"-8 Hex Head Cap Screw, Black Oxide Steel, 3 in L, 5 PK U04100.100.0300

The ZORO SELECT - U04100.100.0300 is a Hex Head Cap Screw, a type of fastener characterized by its hexagonal-shaped head. These screws are typically used in various industrial applications to securely join materials together. Made from steel and finished with black oxide for enhanced durability and corrosion resistance, this screw is designed to meet ASME B18.2.1 dimensional standards. Drive: This screw requires an external hex drive for installation or removal, meaning it needs a wrench or socket of the same shape.Fastener Length: With a length of 3 inches, this screw is designed for insertion into materials.Globally Sourced: Procured from international manufacturers, offering diverse quality and price options.Material Grade/Class: The Grade 8 classification refers to its design specifications regarding strength, hardness, and resistance properties.Rockwell Hardness: A HRC33 rating refers to the measured hardness or resistance to penetration as per standard testing methods.Tensile Strength: Tensile strength is rated at 150,000 psi based on standard testing methods; actual performance may vary depending on use conditions.Thread Direction & Size: Right-hand thread direction means it tightens clockwise; Thread size is 1"-8 indicating fit with corresponding nuts or holesThread Style & Type: Fully threaded design extends along the entire length; UNC (Coarse) thread type is intended for use with corresponding pre-drilled holes/materials; actual fit may depend on specific application circumstances