S-92655A709 1/2"-13 x 7" ASTM A193 18-8 Stainless Steel Heavy Hex Head Screws for High-Pressure Applications

Key Features & Benefits at a Glance

• Exceptional corrosion resistance thanks to 18-8 stainless steel construction, ideal for harsh environments.
• High tensile strength of 75,000 psi ensures reliable performance under heavy loads and stress.
• Class 2A thread fit provides consistent, secure fastening with standard mating components.
• Coarse UNC threading offers faster installation and superior resistance to vibration loosening.
• Partially threaded design with a 5 1/2" grip length for precise clamping force distribution.
• External hex drive allows for high-torque application using common tools, speeding up assembly.
• ASTM A193 Grade B8 compliance guarantees material quality and performance for critical applications.

Professional Applications & Engineering Value

This 1/2"-13 UNC hex head screw is engineered to solve common industrial challenges, such as joint failure under dynamic loads and corrosion in aggressive settings. Made from 18-8 stainless steel, it resists rust and chemical exposure, reducing maintenance in industries like chemical processing, marine, and outdoor construction. The coarse thread and partial threading enhance grip and prevent seizing in high-vibration machinery, while the external hex drive ensures quick, secure installation with standard wrenches. Its 75,000 psi tensile strength and Rockwell B100 hardness provide durability in structural assemblies, making it a reliable choice for heavy-duty fastening where safety and longevity are paramount.

Specification Summary & Compliance

This fastener adheres to Class 2A thread fit for precise dimensional accuracy and UNC coarse thread standards. It meets ASTM A193 Grade B8 specifications for material and performance, ensuring consistency in high-temperature and pressure applications. Compliant with industry regulations, it supports requirements for reliable, standardized inch fasteners in engineering projects.