S-92655A648 3/4"-10 x 2 1/4" 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 industrial environments
• High tensile strength of 75,000 psi ensures reliable load-bearing capacity in demanding applications
• Precise Class 2A thread fit guarantees smooth assembly and secure fastening with minimal play
• External hex drive design provides excellent torque transmission and easy installation with standard tools
• ASTM A193 Grade B8 certification delivers consistent quality and compliance with industrial standards
• Coarse UNC threading offers faster installation and better performance in materials prone to stripping
• Rockwell B100 hardness maintains structural integrity under repeated stress and vibration

Professional Applications & Engineering Value

This 3/4"-10 UNC hex head screw is engineered to solve critical fastening challenges in industrial settings. The 18-8 Stainless Steel material provides exceptional corrosion resistance, making it suitable for chemical processing, marine equipment, and food machinery where moisture and corrosive agents are present. The partially threaded design with a defined grip length ensures optimal clamping force distribution, preventing joint loosening in high-vibration applications like heavy machinery and structural assemblies. With its external hex drive and coarse thread spacing, it enables quick installation and reliable performance in soft materials or where rapid assembly is required. The combination of 75,000 psi tensile strength and ASTM A193 Grade B8 compliance makes it a trusted choice for pressure vessels, piping systems, and other critical engineering applications demanding durability and regulatory adherence.

Specification Summary & Compliance

This fastener features a Class 2A thread fit with UNC coarse threading (3/4"-10) and complies with ASTM A193 specifications. Manufacturing adheres to inch system dimensions including a 1 1/4" head width and 2 1/4" total length. The product meets industry standards for mechanical properties and is suitable for applications requiring RoHS and REACH compliance due to its stainless steel composition.