Grade 8, 5/16"-18 Hex Head Cap Screw, Black Oxide Steel, 1-1/4 in L, 100 PK

The ZORO SELECT - U04100.031.0125 is a Hex Head Cap Screw, a type of fastener characterized by its hexagonal-shaped head. This screw is intended for use in joining together materials in various industrial applications and can be used in a variety of applications including construction, manufacturing, and engineering projects. Made from steel with a black oxide finish for enhanced durability and corrosion resistance, this globally sourced product adheres to ASME B18.2.1 dimensional standards and SAE J429 material quality standards.

• Drive: The external hex drive requires a wrench or socket of the same shape for application.
• Fastener Length: With a length of 1-1/4 inches, this is the maximum depth it can reach into the material.
• Material Grade/Class: The Grade 8 classification refers to certain characteristics such as potential strength and hardness.
• Rockwell Hardness: HRC33 is an indicator of potential hardness or resistance to penetration. Actual performance may vary based on application.
• Tensile Strength: Tensile strength is rated at up to 150,000 psi (pounds per square inch). This rating does not guarantee specific levels of durability or suitability for all industrial applications.
• Thread Direction & Size: Right-hand thread direction means it tightens clockwise; Thread size is specified as 5/16"-18. Compatibility with other components should be confirmed prior to use."