S-91970A542 1/4"-20 x 1" Plastic Hex Head Screws

Key Features & Benefits at a Glance

• Excellent corrosion resistance due to nylon construction, eliminating rust in humid or chemical environments
• Secure Class 2A thread fit ensures reliable fastening with standard UNC coarse threading for vibration resistance
• Wide temperature tolerance from -40°F to 185°F maintains performance in diverse operating conditions
• External hex drive design provides easy installation and removal with common tools
• Lightweight electrical insulation ideal for applications requiring non-conductive properties
• Full threading along 1" length offers maximum grip strength and adjustment flexibility
• RoHS 3 compliance meets environmental regulations for restricted substances

Professional Applications & Engineering Value

These nylon hex head screws deliver critical advantages where metal fasteners fail. The black nylon plastic construction provides inherent corrosion resistance, making them perfect for electrical enclosures, marine equipment, and chemical processing applications where rust contamination is a concern. The UNC coarse threading with Class 2A fit ensures quick assembly and reliable performance in vibration-prone environments. With temperature resistance from -40° to 185°F, these fully threaded screws maintain integrity across industrial and outdoor applications. The external hex drive and 7/16" head width enable efficient installation in confined spaces while the non-conductive properties prevent electrical shorts.

Specification Summary & Compliance

Manufactured to precise dimensional standards with Class 2A thread fit for UNC coarse threading (1/4"-20). Features include 1" length, fully threaded design, 7/16" hex head width, and 3/16" head height. Compliant with RoHS 3 (2015/863/EU) regulations for hazardous substance restrictions. Suitable for industrial applications requiring temperature-resistant plastic fasteners with reliable mechanical performance.