S-92183A341 1/4"-20 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments and extended service life.
• Exceptional mechanical strength offering 70,000 psi tensile and 35,000 psi shear strength for reliable performance under high stress.
• Precise Class 3A thread fit ensures tight tolerances and secure fastening in demanding applications.
• Easy installation and removal with a 3/16" hex drive and knurled head for improved grip and torque application.
• Versatile shoulder design with customizable lengths (0.13"-1.99") for precise component alignment and spacing.
• Compliance with environmental standards including RoHS 3 and REACH, ensuring safety and regulatory adherence.
• Durable Rockwell B55 hardness provides excellent wear resistance and maintains integrity through repeated use.

Professional Applications & Engineering Value

These 18-8 stainless steel shoulder screws are engineered to address critical alignment and durability challenges in industrial settings. The 1/4"-20 UNC coarse thread and Class 3A fit deliver precise engagement, reducing the risk of loosening in high-vibration machinery. The knurled head and hex drive facilitate quick assembly, while the hardened shoulder maintains dimensional stability for accurate pivot points in linkages, gears, and rotating assemblies. Ideal for precision machinery, automation systems, and heavy-duty equipment, these fasteners ensure long-term reliability and corrosion resistance, minimizing maintenance downtime and enhancing operational efficiency.

Specification Summary & Compliance

This product adheres to UNC thread standards with a Class 3A thread fit for superior precision. Shoulder diameter tolerance ranges from -0.004" to -0.002", and shoulder length tolerance is -0.002" to 0.002". Manufactured to meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring environmental safety and regulatory conformity for industrial use.