S-99091A058 0-80 x 1/4" Plastic Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with nylon plastic construction, ideal for harsh environments where metal fasteners would degrade
• Excellent electrical insulation properties for safe use in electrical assemblies and sensitive electronic applications
• Wide temperature tolerance from -40° to 185°F maintains performance in both extreme cold and moderate heat conditions
• Precision Class 2A thread fit ensures smooth installation and reliable, vibration-resistant connections
• External hex drive design provides secure tool engagement for easy installation with standard hex tools
• RoHS 3 compliance meets strict environmental regulations for hazardous substance restrictions
• Lightweight nylon construction reduces overall assembly weight while maintaining durability

Professional Applications & Engineering Value

These 0-80 UNF nylon hex head screws deliver exceptional value in applications where electrical insulation, chemical resistance, and weight reduction are critical engineering considerations. The fine UNF thread pattern combined with Class 2A precision threading ensures superior holding power in plastic assemblies, electronic enclosures, and instrumentation where vibration resistance is paramount. The black nylon material provides excellent UV resistance and aesthetic appeal for consumer products, while the fully threaded design offers maximum engagement strength throughout the fastener length. These screws effectively solve common industry challenges including galvanic corrosion between dissimilar metals, electrical short prevention, and weight-optimized designs in aerospace, automotive, and electronics manufacturing applications.

Specification Summary & Compliance

This 0-80 UNF fine thread screw features precise Class 2A thread fit according to Unified National Fine standards, ensuring consistent performance and interchangeability. The 1/4" length and fully threaded configuration provide maximum fastening versatility. Manufactured to meet RoHS 3 (2015/863/EU) compliance requirements, these screws contain no restricted hazardous substances, making them suitable for global markets and environmentally conscious manufacturing processes. The external hex drive and right-hand threading follow industry-standard installation practices for reliable assembly operations.