S-92805A144 6-32 x 1/4" ASME B18.3, ASTM F879, MIL-DTL-18240 Stainless Steel Thread-Locking Hex Drive Flat Head Screws
Stainless Steel Thread-Locking Hex Drive Flat Head 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
- Permanent vibration resistance with nylon patch locking that maintains integrity across a wide temperature range from -65° to 250°F
- Superior corrosion protection through 18-8 stainless steel construction, ideal for harsh industrial environments
- Exceptional mechanical strength delivering 70,000 psi tensile strength and Rockwell B55 hardness for heavy-duty applications
- Precision thread engagement with Class 3A UNC coarse threads ensuring reliable fastening in various materials
- Secure flush mounting featuring standard 82° countersink angle and flat head design for smooth surface finishes
- Easy installation and removal with 5/64" hex drive providing positive torque transmission
- Full regulatory compliance meeting critical industrial standards including ASME B18.3, ASTM F879, and MIL-DTL-18240
Professional Applications & Engineering Value
These nylon patch locking flat head screws deliver critical vibration resistance in demanding applications where secure fastening is paramount. The 18-8 stainless steel construction provides excellent corrosion resistance for outdoor equipment, marine components, and chemical processing facilities. The Class 3A UNC coarse threads offer superior holding power in metals, plastics, and composite materials, while the fully threaded design ensures maximum engagement depth. The 82° countersink angle creates a flush surface finish critical for aerodynamic components, machinery guards, and precision instruments. These screws maintain their locking capability across extreme temperature variations from -65° to 250°F, making them ideal for automotive, aerospace, and industrial machinery applications where thermal cycling is common.
Specification Summary & Compliance
Manufactured to precise Class 3A thread fit tolerances with UNC coarse threading (6-32 size) and 1/4" length. Complies with ASME B18.3, ASTM F879, and MIL-DTL-18240 specifications. Features RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) compliance for environmental safety. The nylon patch thread locker provides permanent locking functionality without compromising disassembly capability when required.
