S-92790A655 3/4"-10 x 5 1/4" ASTM A193 Super-Corrosion-Resistant 316 Stainless Steel Heavy Hex Head Screws for High-Pressure Applications

Key Features & Benefits at a Glance

• Exceptional corrosion resistance in harsh environments due to 316 Stainless Steel construction, ideal for chemical processing and marine applications
• High tensile strength of 75,000 psi ensures reliable load-bearing capacity and structural integrity under heavy-duty conditions
• Rockwell B96 hardness provides superior durability and resistance to wear, extending service life in demanding industrial settings
• Coarse UNC threading with Class 2A fit allows for faster installation and secure fastening in a wide range of materials
• External hex drive design enables easy tightening with standard tools, reducing assembly time and labor costs
• Partially threaded shank offers optimal grip length (3 1/2") for precise clamping force distribution without unnecessary threading
• ASTM A193 Grade B8M certification guarantees material quality and performance consistency for critical engineering applications

Professional Applications & Engineering Value

Engineered for heavy-duty industrial applications, this 3/4"-10 UNC hex head screw addresses common challenges in corrosive environments where standard fasteners fail. The 316 Stainless Steel composition delivers superior chemical resistance against chlorides and acidic conditions, making it ideal for marine equipment, chemical processing plants, and offshore structures. The coarse thread design ensures reliable engagement in softer materials and reduces cross-threading risks during high-volume assembly. With partial threading and optimized grip length, it provides controlled clamping force distribution while minimizing stress concentration points. These features combine to deliver long-term reliability in structural connections, pressure vessels, and high-temperature systems where vibration resistance and material integrity are critical.

Specification Summary & Compliance

This hex head screw features precision UNC coarse threads with Class 2A thread fit for consistent engagement and dimensional accuracy. Manufacturing complies with ASTM A193 Grade B8M specifications for material composition and mechanical properties. The fastener meets industry standards for inch system measurements with key dimensions including 1 3/4" thread length, 3 1/2" grip length, and 5 1/4" overall length. 316 Stainless Steel construction ensures compliance with RoHS and REACH environmental regulations for hazardous substance restrictions.