S-92186A429 9/16"-12 x 3" ASME B18.2.1 Super-Corrosion-Resistant 316 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh environments and chemical exposure
• High tensile strength of 70,000 psi ensures reliable load-bearing capacity and structural integrity in demanding applications
• Rockwell B70 hardness provides excellent durability and resistance to wear, deformation, and galling
• Coarse UNC thread design offers faster installation and reduced cross-threading risk compared to fine threads
• Class 2A thread fit guarantees consistent, free-spinning assembly with standard nuts for efficient production
• External hex drive and hex head enable high-torque application with common tools, preventing stripping
• Partial threading allows for precise clamping force control and secure fastening in variable material thicknesses

Professional Applications & Engineering Value

This 9/16"-12 UNC hex head screw in 316 stainless steel addresses critical challenges in industrial settings where corrosion and mechanical stress are prevalent. The coarse thread configuration ensures rapid installation in structural assemblies, manufacturing equipment, and marine hardware, reducing labor time. With its partially threaded shank, it provides optimal grip length for materials of varying thickness, preventing joint failure. The external hex drive accommodates high torque requirements, making it suitable for heavy-duty applications in chemical processing, offshore platforms, and construction. Its 70,000 psi tensile strength and Rockwell B70 hardness deliver long-term reliability, minimizing maintenance and replacement costs in corrosive or high-vibration environments.

Specification Summary & Compliance

This fastener adheres to ASME B18.2.1 standards, ensuring dimensional accuracy and interchangeability. The Class 2A thread fit provides consistent tolerance for smooth assembly. It is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting environmental and safety regulations for hazardous substances. Manufactured in the inch system with a right-hand thread direction, it features a 3" length and 9/16"-12 UNC coarse thread for reliable performance in standardized industrial applications.