S-91244A634 3/8"-16 x 2 1/2" Plastic Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance eliminates rust concerns in humid or chemical environments
• Excellent electrical insulation properties prevent current leakage in electrical applications
• External hex drive design provides secure tool engagement and easy installation
• Class 2A thread fit ensures reliable fastening with standard mating components
• Wide temperature tolerance (-40° to 185°F) maintains performance in varied operating conditions
• RoHS 3 compliance meets environmental regulations for industrial use
• Durable nylon construction offers lightweight strength without metal contamination risks

Professional Applications & Engineering Value

These 3/8"-16 UNC nylon hex head screws deliver critical advantages in applications where electrical insulation and corrosion resistance are paramount. The off-white nylon plastic material prevents galvanic corrosion when connecting dissimilar metals and eliminates conductivity concerns in electrical enclosures, control panels, and electronic assemblies. The coarse UNC thread configuration with partial threading provides superior holding power in plastic and soft materials, while the external hex drive allows for high-torque installation without stripping. Ideal for HVAC systems, marine equipment, food processing machinery, and electrical applications where metal fasteners would compromise performance or safety.

Specification Summary & Compliance

Manufactured to precise inch system dimensions with Class 2A thread fit tolerance for consistent performance. Features UNC coarse threads (3/8"-16) with partial threading and standard external hex drive compatibility. Fully compliant with RoHS 3 (2015/863/EU) environmental regulations, containing no restricted hazardous substances. The nylon plastic construction maintains dimensional stability across the specified temperature range of -40° to 185°F.