S-93985A540 10-32 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 416 stainless steel construction for extended service life in demanding environments
• Precise component alignment through controlled shoulder diameter and length tolerances for reliable assembly fit
• High-strength performance with 120,000 psi tensile strength and Rockwell C26 hardness for heavy-duty applications
• Secure fastening engagement with Class 2A thread fit ensuring consistent clamping force and vibration resistance
• Easy installation and removal with standard hex socket drive design requiring minimal clearance space
• Regulatory compliance assurance meeting RoHS 3 and REACH standards for global industrial applications
• Fine thread advantage with 10-32 UNF configuration providing better tension control in precision assemblies

Professional Applications & Engineering Value

This precision shoulder screw addresses critical alignment challenges in industrial machinery, automation systems, and precision instruments. The 416 stainless steel construction provides excellent corrosion resistance while maintaining the Rockwell C26 hardness required for repeated assembly cycles. The 3/4" shoulder length with precise diameter control serves as an accurate locating datum for rotating components, bearings, and linkages, eliminating the need for additional alignment fixtures. The 10-32 UNF fine thread configuration ensures secure fastening in applications where vibration resistance is crucial, while the socket head design allows for compact installation in space-constrained environments. This combination of materials, tolerances, and thread engineering delivers reliable performance in demanding industrial applications where precision alignment and durability are paramount.

Specification Summary & Compliance

This shoulder screw features Class 2A thread fit per UNF standards with precise shoulder diameter (1/4") and length (3/4") tolerances ensuring accurate component alignment. Manufactured from 416 stainless steel with Rockwell C26 hardness and 120,000 psi tensile strength, the fastener meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance requirements for industrial use. The right-hand 10-32 UNF fine thread and hex socket drive conform to industry standards for reliable performance in precision mechanical assemblies.