S-92240A606 5/16"-18 x 6" ASME B18.2.1 18-8 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional Corrosion Resistance: Crafted from 18-8 Stainless Steel, this screw offers superior durability in harsh environments, reducing maintenance costs and extending service life.
• High Tensile Strength for Demanding Loads: With a tensile strength of 80,000 psi, it ensures reliable performance under high-stress conditions, preventing fastener failure.
• Optimized for Quick Assembly: The coarse UNC thread and external hex drive allow for rapid installation and removal, saving valuable labor time in industrial settings.
• Precise Thread Fit for Secure Fastening: Class 2A thread fit provides consistent engagement and vibration resistance, enhancing joint integrity in machinery and equipment.
• Full Threading for Maximum Grip: Being fully threaded along its 6-inch length, it offers uniform clamping force and versatility across various material thicknesses.
• Robust Hardness for Wear Resistance: A Rockwell B70 hardness rating ensures the screw maintains its form and function, even after repeated use.
• Compliance with Industry Standards: Meets ASME B18.2.1 specifications, ensuring dimensional accuracy and interoperability with standard components.

Professional Applications & Engineering Value

This 5/16"-18 UNC hex head screw is engineered to address critical challenges in industrial assembly, such as vibration loosening and corrosion-induced failure. The 18-8 Stainless Steel construction provides excellent resistance to rust and chemicals, making it ideal for applications in marine, food processing, and outdoor equipment where environmental factors are a concern. Its coarse thread design ensures quick installation in soft materials or when alignment is imperfect, reducing assembly time and labor costs. The external hex drive offers high torque capability, allowing for secure tightening in heavy-duty machinery, structural frameworks, and automotive systems. By combining high tensile strength and Class 2A thread fit, this fastener delivers reliable performance in dynamic load conditions, minimizing downtime and enhancing operational safety.

Specification Summary & Compliance

This product adheres to precise dimensional standards, including a Class 2A thread fit per UNC specifications for consistent engagement and tolerance. It is manufactured in compliance with ASME B18.2.1 for mechanical and dimensional integrity. Additionally, it meets regulatory requirements such as RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), ensuring it is free from hazardous substances and safe for various industrial applications.