S-92800A215 5/16"-18 x 9" 18-8 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments and outdoor applications.
• High tensile strength of 80,000 PSI ensures reliable performance under heavy loads and mechanical stress, reducing failure risks.
• Rockwell B70 hardness provides excellent durability and wear resistance, extending the fastener's service life.
• UNC coarse threading with Class 2A fit offers quick assembly, secure fastening, and reduced cross-threading in various materials.
• External hex drive and hex head design allows for easy installation and removal with standard tools, improving maintenance efficiency.
• Partial threading enables precise clamping force control, minimizing material damage in structural applications.
• Compliance with RoHS 3 and REACH regulations ensures environmental safety and meets global industry standards for responsible manufacturing.

Professional Applications & Engineering Value

This 5/16"-18 x 9" hex head screw is engineered to address critical challenges in demanding industrial settings. Constructed from 18-8 stainless steel, it provides superior resistance to corrosion, oxidation, and chemical exposure, making it ideal for applications in construction, machinery, and marine environments. The UNC coarse thread design ensures rapid installation and reliable holding power, even in materials prone to vibration or thermal expansion. With an 80,000 PSI tensile strength and Rockwell B70 hardness, this screw maintains integrity under high-stress conditions, reducing maintenance needs and downtime. Its partial threading allows for optimized grip length, preventing joint loosening in heavy-duty assemblies. Suitable for structural frameworks, equipment mounting, and automotive systems, this fastener delivers consistent performance and long-term reliability.

Specification Summary & Compliance

This hex head screw adheres to precise dimensional standards, including a Class 2A thread fit for consistent tolerance and UNC coarse threading (5/16"-18) in the inch system. It meets manufacturing specifications for 18-8 stainless steel material properties, such as tensile strength and hardness. The product is fully 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.