S-93886A103 1/4"-28 Thumb Nuts

Key Features & Benefits at a Glance

• Effortless hand-tightening with a knurled round head for superior grip in tight spaces without tools
• Excellent chemical resistance due to high-strength Acetal Plastic, ideal for harsh industrial environments
• Precise thread engagement with Class 2B UNF fine threads ensuring reliable, vibration-resistant connections
• Wide temperature tolerance from 32° to 180° F for stable performance in varying operational conditions
• Regulatory compliance with RoHS 3 and REACH standards, meeting strict industrial safety requirements
• Durable, lightweight design offering corrosion-free operation and reduced assembly weight
• Standard inch sizing with a 35/64" collar diameter for easy integration into existing equipment

Professional Applications & Engineering Value

This Acetal Plastic thumb nut with a knurled round head solves common assembly challenges by enabling quick, tool-free adjustments in confined areas. Its fully threaded 1/4"-28 UNF fine thread and Class 2B fit provide consistent clamping force, reducing the risk of loosening under vibration—critical in electronics, machinery, and automotive applications. The black Acetal material resists chemicals, moisture, and wear, ensuring long-term reliability without galvanic corrosion. Ideal for hand-tightened fixtures, it streamlines maintenance while adhering to REACH and RoHS 3 mandates for safe industrial use.

Specification Summary & Compliance

This thumb nut adheres to UNF inch standards with a 1/4"-28 fine thread and Class 2B thread fit for precise tolerance. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring environmental and safety regulations are fulfilled. Dimensions include a 35/64" collar diameter and right-hand threading, manufactured with a standard profile for consistent performance.