S-93082A650 1/4"-20 x 1 1/2" Phillips Thread-Locking Flat Head Screws
Phillips Thread-Locking 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 secure fastening in high-stress environments
- Superior corrosion protection from 18-8 stainless steel construction and passivated finish for extended service life
- High tensile strength of 80,000 PSI ensures reliable performance under heavy loads and mechanical stress
- Wide temperature tolerance from -70°F to 250°F for stable operation across diverse industrial conditions
- Precise Class 2A thread fit enables smooth installation and consistent engagement with mating components
- Standard 82° countersink angle provides flush mounting in standard countersunk holes for clean aesthetics
- Full threading along the 1-1/2" length offers maximum grip and adjustment flexibility in assembly applications
Professional Applications & Engineering Value
These nylon patch locking flat head screws solve critical vibration-induced loosening problems in industrial equipment, machinery, and automotive assemblies. The 18-8 stainless steel material combined with passivated finish provides exceptional resistance to corrosion and chemical exposure, making them ideal for harsh operating environments. The UNC coarse threading and Class 2A fit ensure rapid installation with standard tools while maintaining precise thread engagement. The permanent nylon patch locking technology eliminates the need for additional locking hardware, reducing assembly time and maintenance costs in applications where vibration resistance is essential for operational safety and reliability.
Specification Summary & Compliance
This 1/4"-20 UNC fully threaded flat head screw features Class 2A thread fit with standard 82° countersink angle and Phillips No. 3 drive. Manufactured from 18-8 stainless steel with Rockwell B80 hardness and 80,000 PSI tensile strength. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial sectors.
