S-99862A450 5/16"-18 Thumb Nuts

Key Features & Benefits at a Glance

• Tool-free manual tightening with wing-shaped head for rapid assembly and disassembly in tight spaces
• Superior corrosion resistance through zinc alloy construction for extended service life in industrial environments
• Reliable coarse thread engagement with UNC 5/16"-18 specification for quick starts and vibration resistance
• Precision Class 2B thread fit ensuring consistent performance and secure fastening without galling
• Optimized ergonomic design with 1 1/4" width and 5/8" height for comfortable, slip-resistant handling
• Robust structural integrity with 9/16" base diameter providing stable mounting surface distribution
• Full regulatory compliance meeting RoHS 3 and REACH standards for safe global industrial use

Professional Applications & Engineering Value

This zinc alloy thumb nut delivers critical advantages in maintenance-heavy applications where frequent adjustments are necessary. The standard wing nut profile enables operators to achieve secure fastening without tools, significantly reducing downtime in equipment servicing, panel access, and machinery adjustments. The coarse UNC thread design prevents cross-threading during quick installations while maintaining vibration resistance in dynamic environments. With its right-hand thread direction and generous 1 1/4" wing span, this component excels in electrical enclosures, industrial controls, and production equipment where rapid access and reliable performance are paramount. The corrosion-resistant zinc alloy material ensures long-term functionality in challenging conditions without compromising structural integrity.

Specification Summary & Compliance

Manufactured to precise Class 2B thread fit tolerances with UNC 5/16"-18 coarse thread specifications. Features standard right-hand thread direction with 9/16" base diameter and overall dimensions of 1 1/4" width × 5/8" height. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to international environmental and safety standards for industrial components.