S-91244A550 1/4"-20 x 2" 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 and degradation in harsh environments, extending service life
- Excellent electrical insulation properties prevent current leakage and short circuits in electrical applications
- Wide temperature tolerance from -40° to 185°F maintains integrity across diverse operating conditions
- RoHS 3 compliance ensures environmental safety and regulatory acceptance for global markets
- UNC coarse threading with Class 2A fit provides reliable engagement and faster assembly in various materials
- External hex drive design enables secure tool grip and efficient installation with standard wrenches
- Partial threading configuration offers optimal clamping force distribution for secure fastening
Professional Applications & Engineering Value
These nylon hex head screws solve critical engineering challenges where metal fasteners fail. The Nylon Plastic construction provides inherent corrosion resistance, making them ideal for marine, chemical processing, and outdoor applications where moisture and chemicals degrade metal components. Their electrical insulation properties prevent galvanic corrosion and current leakage in electrical enclosures, control panels, and electronic assemblies. The UNC coarse thread design ensures reliable performance in plastic, wood, and soft materials, while the partial threading delivers superior clamp load distribution. With temperature stability from -40° to 185°F, these RoHS compliant screws maintain structural integrity in demanding environments where thermal cycling occurs.
Specification Summary & Compliance
Manufactured to precise dimensional standards with Class 2A thread fit tolerance for consistent performance. Features UNC coarse threading (1/4"-20) with right-hand direction and partial threading up to 3/4" minimum thread length. Compliant with RoHS 3 (2015/863/EU) regulations, containing no restricted hazardous substances. The inch system measurement ensures compatibility with North American specifications and standard tooling.
