S-90325A163 6-32 Shoulder Screws

Key Features & Benefits at a Glance

• Enhanced Durability & Corrosion Resistance - 18-8 stainless steel construction with passivated finish provides superior protection against rust and chemical exposure in demanding environments.
• High Tensile Strength for Demanding Loads - 70,000 psi tensile strength ensures reliable performance under high-stress conditions, reducing failure risks.
• Precise Shoulder Fit for Accurate Alignment - Tight shoulder diameter and length tolerances enable exact component positioning, minimizing assembly errors.
• Easy Installation with Hex Socket Drive - 3/32" hex drive allows for secure tool engagement and efficient torque application in confined spaces.
• Standardized Thread Compatibility - UNC coarse threads with Class 2A fit ensure consistent engagement and interchangeability with common industrial components.
• Regulatory Compliance for Global Markets - Meets RoHS 3 and REACH standards, facilitating use in regulated industries and international supply chains.
• Consistent Mechanical Properties - Rockwell B55 hardness provides balanced toughness and wear resistance for long-term reliability.

Professional Applications & Engineering Value

This 6-32 UNC shoulder screw delivers critical engineering value in precision assemblies where alignment and stability are paramount. The 18-8 stainless steel material offers excellent corrosion resistance, making it ideal for manufacturing equipment, automation systems, and electronic enclosures exposed to moisture or chemicals. The 3/8" shoulder length with precise tolerances acts as a dependable pivot or spacer, eliminating misalignment in rotating mechanisms and bearing mounts. The hex socket head design enables flush mounting and high-torque installation in confined spaces, while the passivated finish enhances surface durability. These features collectively solve common industrial pain points like component shift, corrosion-induced failure, and assembly inefficiency, providing reliable performance in mechanical drives, precision instruments, and automated machinery.

Specification Summary & Compliance

This shoulder screw maintains Class 2A thread fit per UNC standards, ensuring consistent engagement with mating components. Shoulder dimensions feature tight tolerances (diameter: -0.001" to 0", length: 0" to 0.002") for precise assembly. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, guaranteeing environmental safety and material restrictions adherence. Mechanical properties include 70,000 psi tensile strength and Rockwell B55 hardness, confirming reliability for industrial applications.