Overview
These Grade 8 carbon steel hex nuts are engineered for high-strength, reliable fastening in demanding industrial and mechanical assemblies. The black oxide finish provides a layer of corrosion resistance and a clean, professional appearance suitable for finished products and internal components. With a precise M3 thread size, these nuts are ideal for applications requiring a secure, vibration-resistant connection in compact or precision equipment. Packaged in bulk quantities of 100, they offer consistent quality and ready availability for production lines, maintenance kits, and repair inventories.
Key Features
Manufactured from high-strength Grade 8 carbon steel for superior load-bearing capability Black oxide finish enhances corrosion resistance and provides a durable, non-reflective surface Precision-machined M3 threads ensure consistent, reliable engagement with mating fasteners Standard hex design with 0.236-inch width across flats for compatibility with common wrenches Bulk packaging of 100 units supports high-volume assembly and operational efficiency
Specifications
System of Measurement: Metric Material Grade/Class: Grade 8
Material
Carbon Steel Thread Size: M3 Finish: Black Oxide Width Across Flats: 0.236 inches Package Quantity: 100 units
Applications
General manufacturing and assembly of machinery Precision equipment and instrumentation repair Automotive component assembly and maintenance Fabrication of electrical enclosures and control panels Use in jigs, fixtures, and tooling where high-strength fastening is critical








