Overview
This Grade 8 carbon steel hex nut is engineered for high-strength, heavy-duty fastening in demanding industrial and structural applications. It conforms to the ISO 4032 dimensional standard, ensuring reliable compatibility and interchangeability. The black oxide finish provides a durable, corrosion-resistant layer that extends the component's service life in various environments. Packaged in quantities of 100, it is an efficient solution for production lines, maintenance kits, and inventory stocking.
Key Features
Manufactured from high-grade carbon steel for superior strength and durability. Grade 8 classification guarantees a minimum proof load of 120,000 PSI. Black oxide finish offers enhanced corrosion resistance and a clean, professional appearance. Precise ISO 4032 dimensional compliance ensures consistent fit and performance. Wide 1.575-inch hex flats allow for high-torque application with standard tools. Bulk packaging of 100 units supports project efficiency and reduces per-unit handling.
Specifications
System of Measurement: Metric Material Grade/Class: Grade 8
Material
Carbon Steel Thread Size: M20 Finish: Black Oxide Width Across Flats: 1.575 inches Package Quantity: 100
Applications
Heavy machinery assembly and maintenance. Structural steel fabrication and construction. Industrial equipment manufacturing and repair. Infrastructure projects requiring high-strength bolted connections. General maintenance, repair, and operations (MRO) in plant facilities.








