S-93897A525 5/16"-18 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance from Nylon 6/6 material, ideal for harsh or chemical environments without rust or degradation.
• Excellent electrical insulation properties for safe use in electronic assemblies, preventing short circuits.
• Wide temperature tolerance from -40°F to 185°F, ensuring reliable performance in varied industrial conditions.
• Precise shoulder alignment with a 3/8" diameter and controlled tolerances, providing accurate component spacing and smooth rotation.
• Easy installation and removal with a socket head and hex drive, allowing secure tightening in confined spaces.
• Durable coarse UNC threads with Class 2A fit, offering quick assembly and strong holding power in plastic or soft materials.
• RoHS 3 compliance for environmentally responsible manufacturing, meeting global regulatory standards.

Professional Applications & Engineering Value

This Nylon 6/6 shoulder screw is engineered to address common industrial challenges, such as corrosion in humid settings and electrical conductivity risks in electronics. Its 5/16"-18 UNC coarse thread and Class 2A fit ensure rapid, secure fastening in assemblies requiring repeated adjustments, while the smooth socket head with hex drive simplifies maintenance. The 3/8" shoulder diameter provides stable bearing support, reducing wear in rotating parts like gears or pulleys. Ideal for electrical insulation in control panels or light-duty mechanical systems, it delivers long-term reliability without metal-to-metal contact issues.

Specification Summary & Compliance

This shoulder screw adheres to UNC coarse thread standards with a Class 2A thread fit for consistent engagement. Dimensions include a shoulder diameter tolerance of -0.012" to -0.002" and shoulder length tolerance of -0.015" to 0.015" for precision alignment. It is manufactured in compliance with RoHS 3 (2015/863/EU), ensuring it is free from hazardous substances for safe use in global markets.