S-93996A218 6-32 Shoulder Screws

Key Features & Benefits at a Glance

• Vibration-resistant locking with permanent nylon patch thread locker that maintains secure fastening from -70° to 250°F, preventing loosening in dynamic industrial environments
• Exceptional corrosion resistance from 18-8 stainless steel construction, ensuring long-term reliability in harsh operating conditions
• Precision alignment capability with Class 2A thread fit and precisely controlled shoulder diameter tolerance (-0.001" to 0"), enabling accurate component positioning
• High-strength performance delivering 70,000 psi tensile strength and Rockwell B55 hardness for demanding mechanical applications
• Dual drive versatility featuring both socket and slotted drive styles for flexible installation in confined spaces
• Industry-standard compatibility with UNC coarse threading and 6-32 size, ensuring broad interchangeability across equipment and machinery
• Environmental compliance meeting RoHS 3 and REACH regulations for safe use in regulated industries

Professional Applications & Engineering Value

This precision 6-32 UNC shoulder screw delivers critical engineering solutions where component alignment and vibration resistance are paramount. The 18-8 stainless steel construction provides superior corrosion resistance for machinery exposed to moisture, chemicals, or outdoor elements, while the nylon patch thread locker ensures permanent fastening security in high-vibration applications like motors, conveyor systems, and automated equipment. The precisely machined 1/2" shoulder length with tight tolerance control enables accurate bearing and bushing alignment, reducing wear and maintaining operational precision. With 70,000 psi tensile strength, these shoulder screws withstand significant mechanical loads in robotics, aerospace assemblies, and precision instruments where failure is not an option.

Specification Summary & Compliance

This shoulder screw features Class 2A thread fit per UNC standards with precise shoulder diameter tolerance of -0.001" to 0" and shoulder length tolerance of 0" to 0.002". Manufactured from 18-8 stainless steel with Rockwell B55 hardness and 70,000 psi tensile strength. The permanent nylon patch thread locker operates within -70° to 250°F temperature range. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations for industrial use.