S-93691A280 10-32 MS51576-17, NASM51576 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance thanks to 18-8 stainless steel construction and passivated finish, ensuring long-term reliability in harsh environments.
• Exceptional strength and durability with a high tensile strength of 70,000 psi and Rockwell B55 hardness, providing reliable performance under heavy loads.
• Precise alignment and secure fit due to the Class 2A thread fit and precisely toleranced shoulder diameter and length, minimizing assembly play.
• Easy and secure installation with a standard hex socket head drive, allowing for high torque application without slippage.
• Guaranteed compliance and quality meeting MS51576 specifications, RoHS 3, and REACH standards, ensuring material safety and regulatory adherence.
• Optimized for fine-thread applications with a 10-32 UNF right-hand thread, offering excellent vibration resistance and holding power.
• Versatile industrial use with a smooth head texture and standard socket profile, making it suitable for a wide range of precision machinery and assemblies.

Professional Applications & Engineering Value

This 10-32 UNF precision shoulder screw is engineered to address critical alignment and durability challenges in industrial assemblies. Manufactured from 18-8 stainless steel with a passivated finish, it provides excellent resistance to corrosion and wear, extending service life in demanding environments like aerospace, automotive, and precision instrumentation. The 1/4" shoulder length with precise tolerances ensures accurate component positioning, reducing misalignment and wear in rotating parts or linkages. Its Class 2A thread fit and fine UNF threads enhance vibration resistance, making it ideal for applications where loosening under dynamic loads is a concern. The hex socket drive allows for efficient installation in confined spaces, supporting faster assembly times and reduced maintenance. By complying with MS51576 and environmental standards, this screw delivers consistent performance and reliability for high-stakes engineering projects.

Specification Summary & Compliance

This shoulder screw adheres to strict dimensional standards, including a Class 2A thread fit for consistent engagement and a shoulder diameter tolerance of -0.001" to 0" with length tolerance of 0" to 0.002" for precise assembly. It conforms to MS51576 manufacturing specifications and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), ensuring it is free from hazardous substances and suitable for global industrial applications.