S-92902A275 1/2"-13 Thumb Nuts

Key Features & Benefits at a Glance

• Enhanced hand-tightening capability with 3-1/2" width wings for secure grip without tools in industrial environments
• Superior thread engagement through Class 2B thread fit ensuring reliable fastening and vibration resistance
• Durable steel construction providing excellent strength and longevity for repeated use in demanding applications
• Quick installation efficiency with coarse UNC threads enabling faster assembly and disassembly cycles
• Environmental compliance assurance meeting RoHS 3 and REACH standards for safe usage across regulated industries
• Optimized dimensional stability with 1-1/4" base diameter maintaining consistent performance under mechanical stress
• Universal compatibility with right-hand threaded components in inch-system machinery and equipment

Professional Applications & Engineering Value

This heavy-duty steel thumb nut solves critical hand-tightening challenges in maintenance-intensive environments where tool access is limited. The 1/2"-13 UNC coarse thread configuration delivers rapid installation while the Class 2B thread fit maintains secure connections against vibration-induced loosening in machinery, agricultural equipment, and material handling systems. The wing-style profile with 3-1/2" span provides exceptional torque application capability, making it ideal for frequent adjustment points on industrial fixtures, conveyor systems, and temporary assemblies. Manufactured from compliant steel material, this thumb nut withstands repeated use while meeting environmental regulations for manufacturing facilities and OEM applications requiring RoHS and REACH compliance.

Specification Summary & Compliance

Precision-engineered with Class 2B thread fit tolerances per UNC standards, ensuring consistent engagement with mating components. The 1/2"-13 coarse thread configuration follows standardized inch system specifications for universal compatibility. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental directives, confirming restriction of hazardous substances. Dimensional accuracy maintained with 1-1/4" base diameter and right-hand thread direction for reliable performance in industrial fastening applications.