Overview
This Grade 8 carbon steel hex nut is engineered for critical, high-strength fastening in demanding industrial and construction environments. Its substantial M39 thread size and robust material grade make it suitable for assemblies requiring exceptional load-bearing capacity and resistance to loosening under severe vibration and stress. The black oxide finish provides a baseline layer of protection against corrosion. Supplied in a convenient pack of 25, this nut offers reliable performance for maintenance, machinery assembly, and structural applications.
Key Features
Manufactured from high-strength Grade 8 carbon steel for superior tensile strength Black oxide surface finish for enhanced corrosion resistance and a professional appearance Wide 1.535-inch across-flats dimension allows for secure engagement with standard wrenches Precision-cut M39 metric threads ensure a secure and consistent fit with corresponding bolts Bulk packaging of 25 units supports efficient inventory management and project needs
Specifications
Thread Size: M39 (Metric) Width Across Flats: 1.535 inches
Material
Carbon Steel Material Grade/Class: Grade 8 Finish: Black Oxide System of Measurement: Metric Package Quantity: 25
Applications
Heavy machinery and equipment assembly Structural steel fabrication and construction Industrial conveyor systems and framework Infrastructure and bridge projects Repair and maintenance operations in manufacturing and processing plants








