S-92198A678 7/16"-14 x 2 1/4" ASME B18.2.1 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 environments and reducing maintenance costs.
• High tensile strength of 80,000 PSI ensures reliable, heavy-duty clamping force for critical industrial assemblies.
• Rockwell B70 hardness provides superior durability and resistance to wear and deformation under load.
• Coarse UNC thread and Class 2A fit offer faster assembly and reliable engagement in a wide range of materials.
• External hex drive and hex head design allow for high-torque installation with standard tools, speeding up workflow.
• Partial threading provides an unthreaded shank for precise shear resistance and alignment in structural applications.
• Compliance with ASME B18.2.1, RoHS 3, and REACH guarantees consistent quality and safety for regulated industries.

Professional Applications & Engineering Value

This 7/16"-14 UNC Hex Head Screw is engineered to solve common industrial challenges, such as joint failure and corrosion-induced downtime. Made from 18-8 Stainless Steel, it delivers excellent resistance to rust and chemicals, making it suitable for outdoor equipment, marine hardware, and food processing machinery. The coarse thread design ensures quick, secure fastening in soft materials or where vibration is a concern, while the partial threading enhances shear strength for structural connections. With an external hex drive, it supports high-torque applications, reducing installation time and improving reliability in assembly lines, construction, and heavy machinery. This combination of material properties and thread form provides long-term performance, minimizing replacement needs and maintenance costs.

Specification Summary & Compliance

This fastener adheres to precise dimensional standards, including a Class 2A thread fit for consistent engagement and UNC coarse threads per inch system requirements. It meets the ASME B18.2.1 specification for hex head screws, ensuring interchangeability and reliability. Additionally, it is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), confirming it is free from hazardous substances for safe use in various industrial and consumer applications.