S-93310A192 8-32 x 3/8" ASME B18.3, ASTM F879, MIL-DTL-18240 Thread-Locking Stainless Steel Button Head Hex-Drive Screws

Key Features & Benefits at a Glance

• Vibration-resistant locking with permanent nylon patch ensures reliable fastening in high-stress environments, preventing loosening under dynamic loads.
• Superior corrosion resistance from 18-8 Stainless Steel construction maintains integrity in humid, chemical, or outdoor applications, reducing maintenance needs.
• High tensile strength of 70,000 psi provides robust load-bearing capacity for demanding industrial assemblies and machinery.
• Precision Class 3A thread fit guarantees smooth installation and secure engagement, minimizing cross-threading risks in repetitive use.
• Wide temperature tolerance (-70° to 250°F) allows consistent performance in extreme conditions, from freezing environments to heated equipment.
• Hex drive design with 3/32" drive size enables easy torque application and access in confined spaces, speeding up assembly processes.
• Full threading and UNC coarse threads enhance grip strength and facilitate quicker installation in various materials.

Professional Applications & Engineering Value

Engineered for critical applications where vibration and environmental factors challenge fastener integrity, this 8-32 nylon patch locking screw addresses common industrial pain points like assembly failure and frequent maintenance. The 18-8 Stainless Steel material offers excellent resistance to rust and oxidation, ideal for electronics, automotive systems, and machinery exposed to moisture or chemicals. Its rounded head with hex drive combines a low-profile design with efficient tool engagement, reducing installation time while preventing cam-out. The nylon patch locking feature secures threads without damaging surfaces, making it reusable and suitable for equipment requiring disassembly. By integrating UNC coarse threads and Class 3A fit, it ensures reliable performance in high-vibration settings, enhancing longevity and safety in industrial and electronic assemblies.

Specification Summary & Compliance

This screw adheres to precise dimensional standards, including Class 3A thread fit for tight tolerances and UNC thread type with coarse spacing. It meets ASME B18.3, ASTM F879, and MIL-DTL-18240 specifications, ensuring consistency and reliability. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, it is free from hazardous substances, supporting sustainable and safe manufacturing practices.