S-92360A158 8-32 x 1/2" ASME B18.3, ASTM F835, MIL-DTL-18240 Thread-Locking Steel Button Head Hex-Drive Screws
Thread-Locking Steel Button Head Hex-Drive Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Vibration-resistant locking with nylon patch thread locker that maintains secure fastening in high-vibration environments
- Exceptional strength and durability from alloy steel construction with 120,000 psi tensile strength for heavy-duty applications
- Reliable performance across extreme temperatures with thread locker effective from -70° to 250°F
- Precise Class 3A thread fit ensuring consistent engagement and reduced risk of cross-threading
- Corrosion-resistant black-oxide coating providing enhanced protection in demanding industrial environments
- Easy installation and removal with standard hex drive design for efficient maintenance operations
- Full compliance with major industry standards including ASME, ASTM, and military specifications
Professional Applications & Engineering Value
These 8-32 UNC thread rounded head screws with nylon patch thread locker are engineered to solve critical vibration-induced loosening problems in industrial equipment and machinery. The black-oxide alloy steel construction combined with Class 3A thread fit ensures precise engagement and maintains clamping force under dynamic loads. The coarse threading provides excellent holding power in various materials while the temperature-resistant nylon patch locking technology (-70° to 250°F operating range) makes these fasteners ideal for automotive assemblies, industrial machinery, electronic enclosures, and outdoor equipment where thermal cycling and vibration are constant challenges. The rounded head design with hex drive allows for flush mounting and easy access in confined spaces.
Specification Summary & Compliance
This 1/2" length screw features 8-32 UNC coarse threads with Class 3A thread fit precision and fully threaded design. Manufactured to exacting standards including ASME B18.3, ASTM F835, and MIL-DTL-18240 specifications. The fastener is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global markets while maintaining Rockwell C39 hardness and 120,000 psi tensile strength performance characteristics.
