S-90298A211 6-32 ASME B18.3 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel and passivated finish, ideal for harsh industrial environments.
• High tensile strength of 70,000 psi ensures reliable load-bearing capacity and reduces risk of fastener failure.
• Precision Class 3A thread fit provides smooth assembly and secure fastening with minimal play.
• Hex socket drive design allows for easy installation and removal with standard tools, reducing labor time.
• Coarse UNC thread enables quick engagement and resistance to vibration loosening in dynamic applications.
• Rockwell B55 hardness offers excellent durability and wear resistance for long-term use.
• Compliance with ASME B18.3, RoHS 3, and REACH ensures quality, safety, and environmental standards are met.

Professional Applications & Engineering Value

This 18-8 stainless steel shoulder screw with a 6-32 UNC coarse thread and passivated finish is engineered to address common industrial challenges such as corrosion, vibration, and precise alignment needs. The socket head and hex drive facilitate easy installation in confined spaces, while the Class 3A thread fit ensures tight tolerances for applications in machinery, automotive assemblies, and electronic enclosures. Its high tensile strength and Rockwell B55 hardness make it suitable for demanding environments where reliability and longevity are critical, reducing maintenance costs and downtime.

Specification Summary & Compliance

This shoulder screw features a 6-32 UNC thread with Class 3A fit for precise dimensional accuracy, and is manufactured in accordance with ASME B18.3 standards. It is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets environmental and safety requirements for industrial use.