S-93691A250 8-32 MS51576-14, NASM51576 Shoulder Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 18-8 Stainless Steel and passivated finish, ideal for harsh environments and long-term reliability.
• Precise component alignment ensured by a 1" shoulder with tight length and diameter tolerances for accurate positioning in assemblies.
• High-strength performance offering 70,000 psi tensile strength and Rockwell B55 hardness for demanding mechanical applications.
• Reliable fastening and easy installation with UNC coarse threading and a hex socket drive for secure torque application and quick assembly.
• Broad industry compatibility due to compliance with MS51576-14, RoHS 3, and REACH standards, meeting rigorous quality and safety requirements.
• Durable, smooth head design that minimizes friction and wear during operation, maintaining integrity under stress.
• Versatile right-hand thread with Class 2A fit for consistent engagement and reduced risk of cross-threading in various industrial uses.

Professional Applications & Engineering Value

This precision shoulder screw is engineered to address critical challenges in machinery and equipment assembly, where exact shoulder positioning and robust fastening are paramount. Made from 18-8 Stainless Steel with a passivated finish, it resists corrosion and wear in demanding environments like automotive, aerospace, and manufacturing. The UNC coarse thread and 1" shoulder length with precise tolerances ensure secure alignment of components such as gears, pulleys, and linkages, reducing vibration and misalignment issues. Its hex drive design allows for efficient installation in confined spaces, enhancing productivity while the high tensile strength supports heavy-load applications, making it a reliable choice for engineers seeking durability and compliance with industry standards.

Specification Summary & Compliance

The screw features a Class 2A thread fit for standard UNC 8-32 coarse threading, ensuring dimensional accuracy and interchangeability. It adheres to MS51576-14 specifications, with precise shoulder diameter and length tolerances (e.g., shoulder diameter: -0.001" to 0", length: 0" to 0.002"). Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), it meets environmental and safety regulations, providing assurance for global B2B procurement in regulated industries.