S-92655A696 1"-8 x 3" ASTM A193 18-8 Stainless Steel Heavy Hex Head Screws for High-Pressure Applications

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh environments and extended service life
• High tensile strength of 75,000 psi and Rockwell B96 hardness for reliable performance under extreme loads and stress
• Precise Class 2A thread fit ensures smooth assembly, reduces cross-threading risks, and provides consistent clamping force
• Coarse UNC threading offers faster installation and superior performance in applications with vibration or dynamic loads
• External hex drive and hex head design allows for high-torque application with standard tools, simplifying maintenance
• Partially threaded shank provides an unthreaded grip length for better shear resistance and precise joint positioning
• Compliance with ASTM A193 specification guarantees material quality and manufacturing consistency for critical applications

Professional Applications & Engineering Value

This 1"-8 UNC Grade B8 Hex Head Screw is engineered to address critical challenges in industrial settings where corrosion resistance and high tensile strength are non-negotiable. Manufactured from 18-8 Stainless Steel, it combats rust and chemical degradation in demanding environments like chemical processing, marine equipment, and high-temperature assemblies. The coarse UNC thread and Class 2A fit ensure rapid, secure fastening even in vibrating machinery, reducing downtime. With a partial threading design and external hex drive, it delivers optimal clamp load distribution and ease of installation, making it a reliable choice for pressure vessels, structural frameworks, and heavy-duty machinery requiring ASTM A193 compliance for safety and longevity.

Specification Summary & Compliance

This fastener adheres to Class 2A thread tolerance for consistent fit and performance. It conforms to UNC (Unified Coarse) thread standards with a 1"-8 thread size and is manufactured per ASTM A193 specification for high-temperature service. The Grade B8 classification and 18-8 Stainless Steel material ensure compliance with industry standards for mechanical properties and corrosion resistance, suitable for applications requiring reliable thread fit and dimensional accuracy in inch measurements.