S-91829A546 10-32 MS51575-26, NASM51575 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel and passivated finish for long-lasting performance in harsh environments
• Precise alignment and smooth rotation ensured by the 1-1/2" shoulder with tight diameter and length tolerances
• High strength and durability with 70,000 psi tensile strength and Rockwell B55 hardness for demanding applications
• Reliable fine thread engagement with 10-32 UNF Class 2A threads for secure fastening in thin materials
• Easy installation and removal using standard slotted drive and socket head design
• Compliance with industry standards including MS51575-26, RoHS 3, and REACH for quality assurance
• Versatile right-hand threading compatible with standard UNF components and assemblies

Professional Applications & Engineering Value

This precision shoulder screw delivers exceptional engineering value in applications requiring exact component positioning and rotational stability. The 18-8 stainless steel construction with passivated finish provides excellent corrosion resistance, making it ideal for machinery, automation systems, and electronic enclosures exposed to moisture or chemicals. The 1-1/2" shoulder length with precise fit tolerance acts as a reliable axle or pivot point, eliminating the need for additional bushings in assemblies. The 10-32 UNF fine thread ensures secure fastening in thin-section materials commonly found in aerospace components, precision instruments, and medical devices. With its socket head design and Class 2A thread fit, this shoulder screw enables quick assembly while maintaining the dimensional accuracy required for high-performance industrial applications.

Specification Summary & Compliance

This shoulder screw features Class 2A thread fit with 10-32 UNF fine threading and precise shoulder diameter tolerance of -0.001" to 0". Manufactured to meet MS51575-26 specifications, ensuring consistent quality and performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, making it suitable for global industrial applications requiring strict material restrictions.