S-94035A404 5/16"-18 MS51576-32, NASM51576 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction and passivated finish, ideal for harsh industrial environments.
• Precise component alignment ensured by the 3/8" shoulder diameter with a tight tolerance of -0.001" to 0", minimizing play and vibration.
• High-strength performance with a tensile strength of 70,000 psi and Rockwell B55 hardness for reliable load-bearing in demanding applications.
• Secure and efficient installation using the standard hex drive (3/16"), providing excellent torque transmission and reducing the risk of stripping.
• Wide compatibility with the 5/16"-18 UNC coarse thread (Class 2A fit), facilitating easy assembly and disassembly in various machinery.
• Regulatory compliance meeting MS51576-32 specifications, RoHS 3, and REACH, ensuring safety and environmental standards are met for global use.
• Enhanced durability from the smooth socket head and right-hand thread design, offering long service life with minimal maintenance.

Professional Applications & Engineering Value

This precision shoulder screw is engineered to address critical alignment and stability challenges in industrial settings. Made from 18-8 stainless steel with a passivated finish, it resists corrosion and wear, making it suitable for applications in machinery, automotive assemblies, and precision instruments where exposure to moisture or chemicals is common. The 3/8" shoulder diameter with precise fit tolerances ensures exact positioning of components, reducing misalignment and improving operational accuracy. The UNC coarse thread and hex drive allow for quick, secure fastening, minimizing downtime in production lines. Ideal for use in rotational mechanisms and fixturing systems, this screw provides reliable performance under high-stress conditions, enhancing overall equipment efficiency and longevity.

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" for precise assembly. It conforms to MS51576-32 specifications and is manufactured to meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free from hazardous substances and suitable for environmentally conscious industrial applications.