S-93996A735 8-32 Shoulder Screws

Key Features & Benefits at a Glance

• Vibration-resistant locking with permanent nylon patch thread locker, maintaining integrity from -70° to 250°F for reliable performance in thermal cycling environments.
• Exceptional corrosion resistance from 18-8 stainless steel construction, ideal for harsh industrial settings and outdoor applications.
• High-strength durability with 70,000 psi tensile strength and Rockwell B55 hardness, resisting deformation under heavy loads.
• Precision alignment ensured by Class 2A thread fit and precise shoulder diameter, reducing assembly errors and improving component positioning.
• Secure hex drive engagement with 3/32" drive size and smooth socket head, preventing cam-out and enabling efficient installation in tight spaces.
• Consistent dimensional accuracy with 1-1/4" shoulder length and 3/16" thread length, facilitating repeatable assemblies and interchangeability.
• Regulatory compliance assurance meeting RoHS 3 and REACH standards, supporting global supply chain requirements and environmental safety.

Professional Applications & Engineering Value

This 8-32 UNC shoulder screw delivers critical engineering value by addressing common industrial challenges like component misalignment and vibration-induced loosening. The 18-8 stainless steel material offers excellent corrosion resistance, making it suitable for machinery, automotive, and electronics where moisture or chemicals are present. The nylon patch locking feature secures threads against shock and dynamic loads, eliminating the need for additional lock washers in assemblies like rotating shafts or precision guides. With its Class 2A thread fit and precise shoulder dimensions, it ensures accurate pivoting and spacing in jigs, actuators, and bearing mounts, reducing rework and enhancing operational lifespan in demanding applications.

Specification Summary & Compliance

This shoulder screw adheres to UNC coarse thread standards with a Class 2A thread fit for consistent engagement. Key dimensions include a 3/16" thread length, 1-1/4" shoulder length with tight tolerances, and a 5/16" smooth socket head. Manufactured to high precision, it complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental and safety standards are met for industrial use.