S-93310A264 10-32 x 1/2" ASME B18.3, ASTM F879, 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
- Permanent vibration resistance with nylon patch locking that maintains secure fastening in high-stress environments
- Superior corrosion resistance from 18-8 stainless steel construction, ideal for harsh industrial conditions
- Precise thread engagement with Class 3A fit ensuring reliable, consistent performance in critical assemblies
- High mechanical strength delivering 70,000 psi tensile strength for demanding structural applications
- Wide temperature tolerance operating from -70° to 250°F without compromising locking performance
- Easy installation and removal with hex drive design providing superior torque transmission
- Full thread coverage along the entire 1/2" length for maximum grip and load distribution
Professional Applications & Engineering Value
These 10-32 UNF nylon patch lock screws solve critical vibration-induced loosening problems in industrial equipment, machinery, and precision assemblies. The nylon patch locking technology creates permanent friction that prevents back-off under continuous stress, while the 18-8 stainless steel construction ensures corrosion resistance in demanding environments. The Class 3A thread fit provides precise tolerance control for applications requiring repeated disassembly and reassembly. With fine thread spacing and fully threaded design, these fasteners deliver superior clamping force in electronic enclosures, automotive components, and aerospace assemblies where reliability is non-negotiable.
Specification Summary & Compliance
Manufactured to Class 3A thread fit precision standards with 10-32 UNF fine threading and complete compliance with ASME B18.3, ASTM F879, and MIL-DTL-18240 specifications. Meets environmental regulations including RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance. Features Rockwell B55 hardness and maintains structural integrity across the specified temperature range of -70° to 250°F.
