S-93996A413 10-32 Shoulder Screws

Key Features & Benefits at a Glance

• Vibration-resistant locking: Integrated nylon patch thread locker maintains secure fastening in high-vibration environments without requiring separate adhesives
• Corrosion-resistant durability: 18-8 stainless steel construction provides excellent resistance to rust and chemical degradation in demanding industrial environments
• Precision alignment: Precisely machined shoulder with tight diameter tolerance ensures accurate component positioning and reduces assembly misalignment
• High-strength performance: 70,000 psi tensile strength and Rockwell B55 hardness withstand heavy mechanical loads and repeated assembly cycles
• Wide temperature compatibility: Nylon patch maintains locking effectiveness across -70° to 250° F temperature range for diverse operating conditions
• Fine thread advantage: 10-32 UNF fine thread profile delivers superior clamping force and reduced loosening compared to coarse threads
• Dual drive convenience: Combination socket and slotted drive options provide flexibility for various installation tools and access scenarios

Professional Applications & Engineering Value

This precision shoulder screw with nylon patch thread locker addresses critical challenges in mechanical assemblies where vibration-induced loosening compromises system reliability. Engineered from 18-8 stainless steel, the component delivers exceptional corrosion resistance while maintaining structural integrity in harsh environments. The precisely machined shoulder diameter with tight tolerance ensures accurate alignment of rotating components, bearings, and linkages, eliminating the need for additional spacing elements. The 10-32 UNF fine thread configuration provides superior clamping force distribution, making it ideal for precision instruments, automation equipment, and electronic enclosures where vibration resistance and positional accuracy are paramount. The integrated locking feature eliminates the time and cost associated with applying separate threadlocking compounds during assembly operations.

Specification Summary & Compliance

This shoulder screw features Class 2A thread fit tolerance for consistent engagement, with precise shoulder diameter tolerance of -0.001" to 0" and shoulder length tolerance of 0" to 0.002". Manufactured to UNF fine thread standards with right-hand threading and 1/4" thread length. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial applications.