S-92360A615 1/2"-13 x 1" 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 performance with permanent nylon patch thread locker that maintains integrity from -70° to 250°F
- Superior corrosion protection through black-oxide coating on alloy steel for extended service life in demanding environments
- High-strength reliability with 120,000 psi tensile strength and Rockwell C39 hardness for heavy-duty applications
- Secure installation enabled by 5/16" hex drive that prevents cam-out during high-torque assembly
- Precision thread engagement through Class 3A UNC coarse threads ensuring consistent clamping force
- Reduced assembly time with fully threaded design and rounded button head profile for smooth installation
- Regulatory compliance assurance meeting multiple industrial standards including ASME B18.3 and MIL-DTL-18240
Professional Applications & Engineering Value
These black-oxide alloy steel rounded head screws deliver critical vibration resistance in industrial machinery, automotive assemblies, and heavy equipment where permanent thread locking is essential. The nylon patch thread locker eliminates the need for separate locking compounds while maintaining performance across extreme temperature ranges (-70° to 250°F). Engineered with Class 3A UNC coarse threads, these fully threaded screws provide maximum thread engagement in thick materials, while the rounded button head design offers a low-profile finish that reduces snagging hazards. The combination of 120,000 psi tensile strength and Rockwell C39 hardness ensures reliable performance in high-stress applications where fastener failure is not an option.
Specification Summary & Compliance
Manufactured to precision Class 3A thread fit with UNC coarse spacing (1/2"-13), these screws comply with ASME B18.3, ASTM F835, and MIL-DTL-18240 specifications. The product meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental compliance standards, ensuring suitability for global industrial applications. Dimensions include 1" length, 0.5" thread diameter, and 0.875" head diameter with standard rounded head profile.
