S-94035A179 10-32 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 ensured by the exact 1/4" shoulder diameter with tight tolerances for reduced assembly vibration and wear
• High-strength performance delivering 70,000 psi tensile strength and Rockwell B55 hardness for reliable load-bearing in demanding applications
• Secure fastening with Class 2A thread fit and 10-32 UNF fine threads providing excellent vibration resistance and minimal loosening
• Easy installation and removal using the standard hex socket drive (1/8") for efficient maintenance with common tools
• Regulatory compliance meeting RoHS 3 and REACH standards for safe, environmentally conscious manufacturing and global supply chain integration
• Smooth head profile preventing damage to adjacent components and ensuring clean, professional assembly finishes

Professional Applications & Engineering Value

This precision shoulder screw is engineered to solve critical alignment and durability challenges in industrial machinery, automation systems, and precision instruments. The 18-8 stainless steel material combined with a passivated finish provides exceptional corrosion resistance, reducing maintenance costs in humid or chemically aggressive environments. The 1/4" shoulder diameter with precise tolerances acts as a reliable pivot or axle, minimizing part wobble and wear in rotating assemblies. Its 10-32 UNF fine threads and Class 2A fit ensure secure fastening under vibration, making it ideal for CNC equipment, robotics, and aerospace components where exact tolerances and repeatability are paramount. The hex socket drive allows for high-torque installation in confined spaces, streamlining assembly processes.

Specification Summary & Compliance

This shoulder screw adheres to UNF thread standards with a Class 2A thread fit for consistent, precise engagement. The shoulder features a diameter of 1/4" with tolerance of -0.001" to 0" and length of 11/32" with tolerance of 0" to 0.002", ensuring exact dimensional accuracy. Manufactured from 18-8 stainless steel with a tensile strength of 70,000 psi and Rockwell B55 hardness, it meets rigorous mechanical specifications. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, guaranteeing environmental safety and quality assurance for global industrial applications.