Grade 5, 5/16"-18 Hex Head Cap Screw, Zinc Plated Steel, 4 in L, 25 PK

The ZORO SELECT - U01200.031.0400 is a Hex Head Cap Screw, an essential fastener in various industrial applications such as construction, manufacturing, and engineering projects. Characterized by its hexagonal-shaped head, this screw adheres to the ASME B18.2.1 dimensional standards ensuring compatibility and quality across diverse uses.

• Drive: This cap screw requires an external hex drive for installation or removal using a wrench or socket of the same shape.
• Fastener Length: With a length of 4 inches from under the head to end, it indicates how deep into material it can be inserted for secure fastening.
• Finish: The zinc-plated finish enhances durability and corrosion resistance while providing aesthetic appeal.
• Globally Sourced: Procured from international manufacturers offering diverse range of quality and price options for industry professionals.
• Material & Grade/Class: Made from steel with Material Grade/Class being Grade 5 indicating strength, hardness, and resistance properties suitable for commercial applications.
• Tensile Strength & Rockwell Hardness: Tensile strength at 105,000 psi shows maximum pulling stress it can withstand before failure; Rockwell Hardness HRC19 measures resistance to penetration affecting durability and performance in different industrial settings.
• Thread Direction & Size: Right hand thread direction tightens clockwise; Thread size is 5/16"-18 crucial for ensuring secure fastening with corresponding nuts or holes