S-92655A612 3/8"-16 x 8" ASTM A193 18-8 Stainless Steel Heavy Hex Head Screws for High-Pressure Applications

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh industrial environments.
• High tensile strength of 75,000 psi ensures reliable performance under heavy loads and stress.
• Secure external hex drive allows for easy installation and removal with standard tools.
• Class 2A thread fit provides consistent, precise engagement for reduced assembly issues.
• Partially threaded design offers optimal grip length for focused clamping force in structural applications.
• Coarse UNC threading enables quick assembly and resistance to vibration loosening.
• Rockwell B100 hardness enhances durability and wear resistance for long service life.

Professional Applications & Engineering Value

This 3/8"-16 UNC hex head screw is engineered to address critical industrial fastening challenges, particularly in environments demanding corrosion resistance and structural integrity. Made from 18-8 Stainless Steel and compliant with ASTM A193 Grade B8, it provides reliable performance in chemical processing, marine, and construction applications where exposure to moisture and chemicals is common. The external hex drive ensures secure installation with standard wrenches, reducing slippage and tool wear. With a partially threaded design and coarse thread, it delivers superior clamping force and vibration resistance, minimizing maintenance needs and downtime in heavy-duty assemblies.

Specification Summary & Compliance

This fastener meets ASTM A193 specifications for high-temperature service, with a Class 2A thread fit ensuring dimensional accuracy and interchangeability. It features a UNC coarse thread with precise thread spacing, and is manufactured from 18-8 Stainless Steel for consistent performance. Compliant with industry standards for mechanical properties, it supports reliable use in regulated environments without additional certifications.