S-94309A443 M12 Thumb Nuts

Key Features & Benefits at a Glance

• Tool-free installation and removal with wing-shaped head design for superior hand grip and torque application
• Exceptional durability and corrosion resistance from high-quality steel construction for long service life
• Precise thread engagement with Class 6H thread fit ensuring reliable, vibration-resistant connections
• Quick assembly in coarse thread applications with 1.75mm pitch for faster installation in industrial settings
• Optimal stability from 24.5mm base diameter providing secure fastening surface area
• Right-hand thread compatibility with standard metric components for seamless integration
• Ergonomic handling with 76.2mm width and 19.1mm height for comfortable manual operation

Professional Applications & Engineering Value

This M12 metric thumb nut delivers exceptional engineering value in applications requiring frequent adjustments or tool-free maintenance. The steel construction provides the necessary strength for industrial environments while the wing-shaped profile enables sufficient torque application without specialized tools. The coarse 1.75mm pitch thread significantly reduces installation time compared to fine-thread alternatives, making it ideal for production lines, machinery guards, and equipment requiring regular access. The Class 6H thread fit maintains precise tolerances for vibration resistance in dynamic applications, while the generous 76.2mm wing span ensures comfortable operation even with gloved hands. This combination of features solves critical pain points in maintenance-heavy industries by eliminating tool dependency and reducing downtime during assembly or disassembly cycles.

Specification Summary & Compliance

This thumb nut features M12 x 1.75mm metric coarse threads with Class 6H thread fit per ISO standards, ensuring dimensional accuracy and interchangeability. The right-hand thread direction follows international metric conventions. Manufacturing complies with industry standards for steel fasteners, and the product meets RoHS and REACH environmental compliance requirements for industrial use. Base diameter measures 24.5mm with overall dimensions of 76.2mm width and 19.1mm height for consistent performance across applications.