S-94035A542 10-32 MS51576-23, NASM51576 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction and passivated finish for extended service life in harsh environments
• Precise component alignment through the 1" shoulder with tight diameter tolerance (-0.001" to 0") ensuring accurate positioning
• High-strength performance delivering 70,000 psi tensile strength and Rockwell B55 hardness for demanding applications
• Reliable thread engagement with Class 2A thread fit and 10-32 UNF fine thread spacing for secure fastening
• Easy installation and removal using standard 1/8" hex drive for efficient maintenance and assembly
• Regulatory compliance assurance meeting MS51576-23 specifications, RoHS 3, and REACH for global market acceptance
• Optimized for precision machinery with smooth head texture and standard socket profile preventing interference in tight spaces

Professional Applications & Engineering Value

This precision shoulder screw delivers exceptional engineering value in applications requiring exact component positioning and rotational control. The 18-8 stainless steel material combined with passivated finish provides superior corrosion resistance, making it ideal for manufacturing equipment, aerospace assemblies, and precision instruments operating in challenging environments. The 1" shoulder length with precise diameter tolerance serves as an accurate locating diameter for bearings, gears, and linkages, eliminating misalignment issues. The 10-32 UNF fine thread with Class 2A fit ensures vibration-resistant fastening in high-performance mechanisms. With its socket head design and hex drive compatibility, installation and maintenance become significantly more efficient in confined spaces, reducing downtime in industrial operations.

Specification Summary & Compliance

This shoulder screw maintains Class 2A thread fit with 10-32 UNF fine thread specification and precise shoulder diameter tolerance of -0.001" to 0". Manufacturing conforms to MS51576-23 standards with full compliance to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations. The component features right-hand thread direction, 1/4" thread length, and 1" shoulder length with tolerance of 0" to 0.002", ensuring consistent performance across industrial applications.