S-93691A270 10-32 MS51576-16, NASM51576 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel and passivated finish, ideal for harsh industrial environments.
• Enhanced load-bearing capacity from 70,000 psi tensile strength and Rockwell B55 hardness, ensuring long-term reliability.
• Precise component alignment due to the 3/16" shoulder with tight tolerances, reducing assembly errors.
• Secure fastening in fine-thread applications with 10-32 UNF Class 2A threads, minimizing loosening under vibration.
• Easy installation and removal using the 1/8" hex socket drive, saving time in maintenance.
• Compliance with strict industry standards including MS51576-16, RoHS 3, and REACH, ensuring safety and regulatory adherence.
• Durable performance in high-stress conditions thanks to the smooth head and right-hand thread design.

Professional Applications & Engineering Value

This precision shoulder screw is engineered to address critical challenges in machinery and equipment assembly. The 18-8 stainless steel material, combined with a passivated finish, provides excellent resistance to corrosion and wear, making it suitable for applications in automotive, aerospace, and manufacturing sectors. The 10-32 UNF fine threading and Class 2A thread fit ensure secure fastening in components requiring fine adjustments, while the 3/16" shoulder length with precise tolerances allows for accurate positioning of parts like gears and pulleys. This reduces misalignment issues and extends equipment lifespan, offering reliable performance in heavy-duty fasteners for demanding environments.

Specification Summary & Compliance

The screw adheres to Class 2A thread fit and UNF standards, with shoulder diameter tolerance of -0.001" to 0" and length tolerance of 0" to 0.002" for high precision. It meets MS51576-16 specifications and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), ensuring environmental and safety standards are upheld in industrial use.