S-93310A812 M5 x 20 mm MIL-DTL-18240 Thread-Locking Stainless Steel Button Head Hex-Drive Screws
Thread-Locking Stainless 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 secure fastening with permanent nylon patch thread locker, preventing loosening in high-stress environments
- Superior corrosion resistance from 18-8 stainless steel construction, ensuring longevity in harsh or outdoor applications
- High mechanical strength with 80,000 psi tensile strength and Rockwell B96 hardness for reliable load-bearing performance
- Wide temperature tolerance from -70° to 250°F, maintaining locking integrity in extreme thermal conditions
- Easy installation and removal using standard 3 mm hex drive tools, reducing assembly time and tooling costs
- Precision thread fit with Class 6g coarse threading ensuring consistent engagement and reduced cross-threading risks
- Regulatory compliance ready meeting MIL-DTL-18240, RoHS, and REACH standards for global industrial use
Professional Applications & Engineering Value
This M5 metric screw with nylon patch locking technology addresses critical vibration-induced fastener failure in industrial equipment, machinery, and automotive assemblies. The 18-8 stainless steel material provides excellent corrosion resistance for outdoor or chemically exposed environments, while the fully threaded coarse pitch design ensures maximum thread engagement in various material thicknesses. The rounded button head profile offers a low-profile, aesthetically clean finish with reduced snagging risks. Combined with hex drive installation, these screws deliver reliable, maintenance-free fastening for production lines, electronic enclosures, and structural components where vibration resistance and environmental durability are paramount.
Specification Summary & Compliance
Manufactured to Class 6g thread tolerance with M5 x 0.8 mm coarse metric threading and 20 mm length. Complies with MIL-DTL-18240 specifications for quality assurance. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental compliance standards. The nylon patch thread locker maintains performance across the specified temperature range of -70° to 250°F.
