S-91244A540 1/4"-20 x 3/4" Plastic Hex Head Screws
Plastic Hex 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
- Superior corrosion resistance eliminates rust concerns in humid or chemical environments, extending service life
- Excellent electrical insulation properties prevent current leakage and short circuits in electrical assemblies
- Wide temperature tolerance from -40° to 185°F maintains structural integrity across diverse operating conditions
- External hex drive design enables high-torque installation with standard tools while preventing cam-out
- Fully threaded shank provides maximum grip length and uniform clamping force distribution
- Class 2A thread fit ensures smooth assembly with standard nuts while maintaining vibration resistance
- RoHS 3 compliance meets international environmental standards for restricted substances
Professional Applications & Engineering Value
These nylon hex head screws deliver critical performance advantages where metal fasteners fail. The off-white nylon material provides inherent corrosion resistance without additional coatings, making them ideal for marine, food processing, and chemical exposure applications. Their non-conductive properties make them essential for electrical insulation in panel manufacturing, electronic enclosures, and power distribution systems. The UNC coarse threading with Class 2A fit ensures rapid assembly in plastic and soft materials while resisting vibration loosening. The external hex drive accommodates high installation torque without stripping, and the temperature resistance from -40° to 185°F ensures reliability in both indoor and outdoor environments.
Specification Summary & Compliance
Manufactured to precise dimensional standards with 1/4"-20 UNC coarse threads meeting Class 2A tolerance for consistent mating with standard components. Features right-hand threading and fully threaded design for maximum engagement. Compliant with RoHS 3 (2015/863/EU) regulations, containing no restricted hazardous substances. The hex head screws maintain dimensional stability across the specified temperature range while providing reliable mechanical performance in industrial and electronic applications.
