Overview
This Grade 8 carbon steel hex nut is engineered for critical, high-strength fastening applications in industrial and construction settings. It meets rigorous performance standards, offering exceptional tensile strength and durability for structural assemblies, heavy machinery, and infrastructure projects. The black oxide finish provides a layer of protection against corrosion, extending the component's service life in various operating environments. Supplied in a convenient bulk package, it is an efficient solution for large-scale jobs requiring consistent, reliable hardware.
Key Features
Manufactured from high-grade carbon steel for superior strength Grade 8 classification indicating a minimum proof load of 120,000 PSI Black oxide surface finish for enhanced corrosion resistance and a clean, professional appearance Precision-machined M30 metric threads for a secure and accurate fit with corresponding bolts Standard hex design with a width across flats of 1.181 inches for compatibility with common wrenches and sockets Bulk packaging designed for project efficiency and inventory management
Specifications
System of Measurement: Metric Material Grade/Class: Grade 8
Material
Carbon Steel Thread Size: M30 Finish: Black Oxide Width Across Flats: 1.181 inches Package Quantity: 80 nuts
Applications
General construction and structural steel framing Fabrication of industrial machinery and processing equipment Assembly of transportation infrastructure and heavy vehicle components Maintenance, repair, and operations (MRO) in manufacturing facilities Any application demanding a high-strength, metric-threaded fastener with corrosion-resistant properties








