S-91244A537 1/4"-20 x 1/2" Plastic Hex Head Screws

Key Features & Benefits at a Glance

• Excellent corrosion resistance due to nylon plastic construction, eliminating rust concerns in humid or chemical environments
• Secure and reliable fastening with Class 2A thread fit ensuring consistent engagement and reduced loosening risks
• Broad temperature tolerance from -40° to 185°F for stable performance in varied industrial conditions
• Easy installation and removal with external hex drive design providing superior torque transmission
• Full thread coverage along the 1/2" length for maximum grip strength and distribution of load
• Environmental compliance with RoHS 3 standards, making them safe for regulated industries
• Lightweight and non-conductive properties ideal for electrical and weight-sensitive assemblies

Professional Applications & Engineering Value

Engineered for demanding industrial applications, these nylon hex head screws provide a durable, non-metallic fastening solution where electrical insulation, chemical resistance, and weight reduction are critical. The UNC coarse thread design ensures quick assembly and high vibration resistance, reducing maintenance needs in machinery, electronics enclosures, and outdoor equipment. With a temperature range of -40° to 185°F, they maintain integrity in both freezing and moderately high-heat environments, while the external hex drive allows for efficient installation with standard tools, speeding up production lines and minimizing downtime.

Specification Summary & Compliance

This screw adheres to UNC coarse thread standards with Class 2A thread fit for consistent precision and interchangeability. Manufactured to inch system dimensions: 1/4"-20 thread size and 1/2" length, fully threaded. Compliant with RoHS 3 (2015/863/EU) regulations, ensuring no restricted hazardous substances are used.