S-92183A171 5-40 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh environments and reducing maintenance costs.
• Exceptional mechanical strength with 70,000 psi tensile and 35,000 psi shear strength, ensuring reliable performance under high-stress conditions.
• Precise and secure assembly guaranteed by the Class 3A thread fit, minimizing the risk of loosening in critical applications.
• Easy installation and removal with the hex socket drive and knurled head, providing a non-slip grip for efficient tool engagement.
• Versatile shoulder design with customizable lengths from 0.13" to 1.99", offering precise spacing and alignment for rotating components.
• Compliance with major environmental regulations including RoHS 3 and REACH, ensuring safety and suitability for global markets.
• Durable and long-lasting performance backed by a Rockwell B55 hardness, resisting wear and deformation over time.

Professional Applications & Engineering Value

This 18-8 Stainless Steel shoulder screw is engineered to address common industrial challenges such as component misalignment, vibration-induced failure, and corrosion. The 5-40 UNC coarse thread and Class 3A fit provide a tight, reliable fastening solution for assemblies requiring high precision, such as in machinery, automotive systems, and electronic enclosures. The hex socket drive and knurled head enhance grip and torque application, reducing installation time and preventing tool slippage. Its robust tensile and shear strength ensures it can withstand dynamic loads, making it ideal for applications where durability and corrosion resistance are critical, such as in marine, chemical processing, and outdoor equipment.

Specification Summary & Compliance

This shoulder screw adheres to UNC thread standards with a precise Class 3A thread fit for superior dimensional accuracy. The shoulder diameter tolerance is -0.004" to -0.002", and the shoulder length tolerance is -0.002" to 0.002", ensuring consistent performance. It is manufactured to meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, confirming its safety for use in regulated industries without hazardous substances.