Overview
This Class 8 carbon steel hex nut is engineered for demanding, high-strength industrial applications where reliability is non-negotiable. It features a metric M64-4 fine thread pitch, which provides a greater number of threads per inch compared to a standard coarse thread. This design offers superior resistance to vibration loosening and ensures a precise, secure fit in critical assemblies. The durable black oxide finish enhances the nut's surface with a layer of protection against corrosion, extending its service life in various operational environments. Sold in a convenient two-pack, this component is ideal for maintenance kits, production lines, and heavy machinery.
Key Features
Manufactured from high-grade carbon steel for exceptional strength and durability Meets rigorous Class 8 mechanical property standards for high load-bearing capacity Metric M64-4 fine thread design for enhanced vibration resistance and precise engagement Black oxide finish provides a protective layer against rust and corrosion 2.52-inch width across flats allows for secure application of standard wrenches Supplied in a practical two-pack for project efficiency and inventory management
Specifications
System of Measurement: Metric Material Grade/Class: Class 8
Material
Carbon Steel Thread Size: M64-4 Finish: Black Oxide Width Across Flats: 2.52 in Package Quantity: 2
Applications
Heavy machinery assembly and maintenance Structural steel fabrication and construction High-vibration environments in transportation and industrial equipment Repair and overhaul operations in manufacturing facilities Infrastructure projects requiring high-strength, metric-threaded fasteners








