S-92360A939 8-32 x 1" MIL-DTL-18240 Thread-Locking Steel Button Head Hex-Drive Screws

Key Features & Benefits at a Glance

• Permanent vibration resistance with integrated Nylon Patch thread locker, ensuring reliable fastening in high-stress environments
• Exceptional tensile strength of 120,000 psi for heavy-duty applications requiring maximum load-bearing capacity
• Corrosion-resistant black-oxide finish on alloy steel for enhanced durability in harsh industrial conditions
• Wide temperature tolerance from -70° to 250°F, maintaining performance in extreme thermal environments
• Precise Class 3A thread fit for secure, easy assembly and reduced risk of cross-threading
• Hex drive design with 3/32" drive size for efficient installation using standard tools
• Rounded button head profile providing a low-profile, aesthetically clean finish while minimizing snagging

Professional Applications & Engineering Value

Engineered for demanding industrial and military applications, these 8-32 UNC coarse thread screws with permanent Nylon Patch thread locker address critical challenges in machinery, electronics, and automotive assemblies. The black-oxide alloy steel construction offers superior resistance to corrosion and wear, extending service life in environments exposed to moisture, chemicals, or frequent disassembly. The fully threaded design and Class 3A thread fit ensure consistent clamping force and vibration resistance, preventing loosening under dynamic loads. Ideal for securing components in aerospace, defense, and heavy equipment where high tensile strength and regulatory compliance are non-negotiable, these screws reduce maintenance frequency and enhance operational reliability.

Specification Summary & Compliance

This screw features UNC coarse threads with Class 3A precision fit, ensuring tight tolerances for reliable engagement. It is manufactured in accordance with MIL-DTL-18240 specifications, guaranteeing consistency for military and aerospace applications. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming adherence to environmental and safety standards for hazardous substances.