S-92198A701 5/16"-18 x 4 1/2" ASME B18.2.1 18-8 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments.
• High tensile strength of 80,000 psi ensures reliable performance under heavy loads and stress.
• Rockwell B70 hardness provides excellent durability and resistance to wear and deformation.
• Coarse UNC thread and Class 2A fit enable quick assembly and secure fastening in various materials.
• Partially threaded design offers optimal grip and clamping force for specific applications.
• External hex drive and hex head allow for easy installation with standard tools, reducing assembly time.
• Compliance with ASME B18.2.1, RoHS 3, and REACH ensures quality, safety, and environmental standards are met.

Professional Applications & Engineering Value

This 5/16"-18 UNC hex head screw is engineered to address common industrial challenges, such as corrosion and mechanical stress. Made from 18-8 stainless steel, it resists rust and degradation in demanding environments like construction, machinery, and outdoor equipment. The coarse thread and Class 2A thread fit provide reliable engagement in coarse-grained materials, reducing the risk of stripping. With a partially threaded shank, it ensures precise clamping without over-tightening, while the external hex drive simplifies maintenance and disassembly. Ideal for heavy-duty applications, this screw delivers long-term reliability and cost savings by minimizing replacements and downtime.

Specification Summary & Compliance

This product features a 5/16"-18 UNC coarse thread with Class 2A thread fit for consistent dimensional accuracy. It meets ASME B18.2.1 manufacturing specifications and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for global industrial use.