S-93886A140 1/4"-20 Thumb Nuts

Key Features & Benefits at a Glance

• Enhanced manual grip with knurled round head design for tool-free installation and adjustment in tight spaces
• Superior chemical and moisture resistance from durable Acetal Plastic construction, ensuring long-term reliability in harsh environments
• Wide temperature tolerance (32° to 180° F) for stable performance across diverse industrial applications
• Precise thread engagement with Class 2B UNC coarse threads, providing secure fastening and vibration resistance
• Right-hand threading compatibility with standard inch-system components for seamless integration
• Regulatory compliance with REACH and RoHS 3, meeting international safety and environmental standards
• Optimized collar dimensions (35/64" diameter, 3/16" height) for balanced load distribution and structural integrity

Professional Applications & Engineering Value

This black Acetal Plastic thumb nut delivers exceptional value in applications requiring frequent adjustments or assembly in confined areas. The knurled round head ensures slip-resistant handling, while the fully threaded 1/4"-20 UNC coarse configuration maintains consistent clamping force under dynamic loads. Engineered for electrical enclosures, machinery panels, and laboratory equipment, its Acetal material resists corrosion, solvents, and wear, eliminating galvanic compatibility issues with metal substrates. The Class 2B thread fit guarantees smooth engagement with mating components, reducing installation time and preventing cross-threading failures in high-cycle production environments.

Specification Summary & Compliance

Manufactured to UNC coarse thread standards with Class 2B tolerance for precise fitment. Dimensions include 3/4" head diameter, 23/64" height, and 35/64" collar diameter. Fully compliant with REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) directives, ensuring adherence to hazardous substance restrictions. Suitable for right-hand threaded assemblies within specified temperature ranges.